HEX atlas value

#618A38

#618A38 is a cool green HEX color close to Olive Green. According to Colors Encyclopedia, it converts to RGB 97, 138, 56, HSL 90, 42%, 38%, has luminance 0.21, and belongs to the earth tone group.

green cool earth-tone

#618A38 Sample readable text

HEX #618A38

RGB rgb(97, 138, 56)

HSL hsl(90 42% 38%)

CMYK cmyk(30, 0, 59, 46)

Luminance 0.21

Contrast Black 5.2:1White 4.04:1

CSS

--color-618a38: #618A38;
.background-618a38 { background-color: #618A38; }
.text-618a38 { color: #618A38; }

Luminance0.21

Black text5.2:1AA Pass

White text4.04:1AA 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

Structured sections

Color systems

{"hex":"#618A38","rgb":[97,138,56],"hsl":[90,42,38],"cmyk":[30,0,59,46],"luminance":0.21,"contrast":{"black":5.2,"white":4.04}}

WCAG

{"AA":["#000000"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.2,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.04,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#33481E","hex":"#33481E","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.09,"contrastWhite":10.07,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#8FBE60","hex":"#8FBE60","family":"green","bestTextColor":"#000000","contrastBlack":9.7,"contrastWhite":2.16,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#61388A","hex":"#61388A","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":2.44,"contrastWhite":8.61,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#619F23","hex":"#619F23","family":"green","bestTextColor":"#000000","contrastBlack":6.49,"contrastWhite":3.23,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#8A8A38","hex":"#8A8A38","family":"yellow","bestTextColor":"#000000","contrastBlack":5.77,"contrastWhite":3.64,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["cool green","earth tone","earth tone green","Olive Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/618a38.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/olive-green.json","https://www.colorsencyclopedia.com/api/colors/olive-drab.json","https://www.colorsencyclopedia.com/api/colors/olive-leaf.json"]}

Harmonies

{"complementary":"#61388A","analogous":["#8A8A38","#388A38"],"triadic":["#38618A","#8A3861"],"tetradic":["#388A8A","#61388A","#8A3838"],"splitComplementary":["#38388A","#8A388A"],"monochromatic":["#8FBE60","#618A38","#33481E"]}

Variants

{"light":"#8FBE60","dark":"#33481E","saturated":"#619F23","desaturated":"#61744E","pastel":"#A1BA87","neon":"#75EB00"}

Nearest named colors

[{"slug":"olive-green","name":"Olive Green","hex":"#708238","distance":17},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":23.600847442411894},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":23.600847442411894},{"slug":"fern-green","name":"Fern Green","hex":"#4F7942","distance":26.70205984563738},{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":34.17601498127012}]

HEX meaning and use

About #618A38

#618A38 is classified as a cool green value with earth tone visual character. #618A38 is visually closest to Olive Green, a named green color with HEX #708238.

The RGB channels are 97, 138, and 56, with green carrying the strongest channel weight. In HSL, the hue is 90deg with 42% 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 natural palettes. Its luminance is 0.21, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.2:1AA Pass

White text4.04:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #618A38 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.2:1 · AA

White text#FFFFFF4.04:1 · Fail

Accessible Alternatives

#33481E#FFFFFF text · best 10.07:1#33481E

#8FBE60#000000 text · best 9.7:1#8FBE60

#61388A#FFFFFF text · best 8.61:1#61388A

#619F23#000000 text · best 6.49:1#619F23

#8A8A38#000000 text · best 5.77:1#8A8A38

Generated Palette

#618A38#618A38

#61388A#61388A

#8A8A38#8A8A38

#388A38#388A38

#8FBE60#8FBE60

#33481E#33481E

Color Harmonies

#61388A#61388A

#8A8A38#8A8A38

#388A38#388A38

#38618A#38618A

#8A3861#8A3861

Variants

#8FBE60#8FBE60

#33481E#33481E

#619F23#619F23

#61744E#61744E

#A1BA87#A1BA87

#75EB00#75EB00

Nearest Named Colors

Olive Green#708238

Olive Drab#6B8E23

Olive Leaf#6B8E23

Fern Green#4F7942

Fern Frond#657220

#618A38

CSS

Machine-Readable HEX Data (JSON)

About #618A38

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides