Colors Encyclopedia

HEX atlas value

#9FA121

#9FA121 is a warm yellow HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 159, 161, 33, HSL 61, 66%, 38%, has luminance 0.3297, and belongs to the balanced group.

yellowwarmbalanced
#9FA121 Sample readable text
HEX #9FA121
RGB rgb(159, 161, 33)
HSL hsl(61 66% 38%)
CMYK cmyk(1, 0, 80, 37)
Luminance 0.3297
Contrast Black 7.59:1White 2.77:1

CSS

--color-9fa121: #9FA121;
.background-9fa121 { background-color: #9FA121; }
.text-9fa121 { color: #9FA121; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.3297
Black text7.59:1AA Pass
White text2.77:1AA Fail
hexCanonical HEX value
rgbRed, green, blue channels
hslHue, saturation, lightness
cmykApproximate print conversion
wcagAA and AAA contrast options
harmoniesMathematical harmony sets
variantsGenerated tone variants
nearestColorsKnowledge graph neighbors
Download JSON Open API
Structured sections
Color systems
{"hex":"#9FA121","rgb":[159,161,33],"hsl":[61,66,38],"cmyk":[1,0,80,37],"luminance":0.3297,"contrast":{"black":7.59,"white":2.77}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":7.59,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.77,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#D6D945","hex":"#D6D945","family":"yellow","bestTextColor":"#000000","contrastBlack":13.87,"contrastWhite":1.51,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#2321A1","hex":"#2321A1","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.8,"contrastWhite":11.64,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Peridot","hex":"#B4C424","family":"yellow","bestTextColor":"#000000","contrastBlack":10.86,"contrastWhite":1.93,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Acid Green","hex":"#B0BF1A","family":"yellow","bestTextColor":"#000000","contrastBlack":10.31,"contrastWhite":2.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#B3B60C","hex":"#B3B60C","family":"yellow","bestTextColor":"#000000","contrastBlack":9.61,"contrastWhite":2.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["warm yellow","balanced","balanced yellow","Acid Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/9fa121.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json","https://www.colorsencyclopedia.com/api/colors/brass.json","https://www.colorsencyclopedia.com/api/colors/brushed-brass.json"]}
Harmonies
{"complementary":"#2321A1","analogous":["#A16321","#5FA121"],"triadic":["#219FA1","#A1219F"],"tetradic":["#21A163","#2321A1","#A1215F"],"splitComplementary":["#215FA1","#6321A1"],"monochromatic":["#D6D945","#9FA121","#545511"]}
Variants
{"light":"#D6D945","dark":"#545511","saturated":"#B3B60C","desaturated":"#8A8C36","pastel":"#CFD171","neon":"#E7EB00"}
Nearest named colors
[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":35.185224171518364},{"slug":"brass","name":"Brass","hex":"#B5A642","distance":39.97499218261337},{"slug":"brushed-brass","name":"Brushed Brass","hex":"#B5A642","distance":39.97499218261337},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":40.92676385936225},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":42.871902220452036}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #9FA121

#9FA121 is classified as a warm yellow value with balanced visual character. #9FA121 is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 159, 161, and 33, with green carrying the strongest channel weight. In HSL, the hue is 61deg with 66% saturation and 38% lightness, so this page treats it as a moderate-saturation, mid-lightness atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and highlight and warning systems. Its luminance is 0.3297, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 35.19, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.59:1AA Pass
White text2.77:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #9FA121 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.59:1 · AAA
White text#FFFFFF2.77:1 · Fail

Accessible Alternatives

#D6D945#000000 text · best 13.87:1#D6D945
#2321A1#FFFFFF text · best 11.64:1#2321A1
Peridot#000000 text · best 10.86:1#B4C424
Acid Green#000000 text · best 10.31:1#B0BF1A
#B3B60C#000000 text · best 9.61:1#B3B60C

Generated Palette

#9FA121#9FA121
#2321A1#2321A1
#A16321#A16321
#5FA121#5FA121
#D6D945#D6D945
#545511#545511

Color Harmonies

#2321A1#2321A1
#A16321#A16321
#5FA121#5FA121
#219FA1#219FA1
#A1219F#A1219F

Variants

#D6D945#D6D945
#545511#545511
#B3B60C#B3B60C
#8A8C36#8A8C36
#CFD171#CFD171
#E7EB00#E7EB00

Nearest Named Colors

Acid Green#B0BF1A
Brass#B5A642
Brushed Brass#B5A642
Peridot#B4C424
Dark Goldenrod#B8860B

Related HEX Guides

Acid Green colorOpen the nearest named color reference for #B0BF1A.Brass colorOpen the nearest named color reference for #B5A642.Brushed Brass colorOpen the nearest named color reference for #B5A642.Yellow color familyBrowse named yellow colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Balanced colorsFind colors in the balanced group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#9FA121 APIOpen the machine-readable JSON record for this HEX value.