#638D2E#638D2E

#638D2E is a mid, vivid yellow-green. Relative luminance 0.219; OKLCH L 59.3% C 0.133 H 130.1°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#638D2E
RGB	rgb(99, 141, 46)
HSL	hsl(87, 51%, 37%)
HSV	hsv(87, 67%, 55%)
CMYK	cmyk(29.8%, 0%, 67.4%, 44.7%)
CIE-LAB	lab(53.92, -30.20, 44.39)
CIE-LCH	lch(53.92, 53.69, 124.23°)
OKLab	oklab(59.25% -0.0853 0.1014)
OKLCH	oklch(59.25% 0.133 130.1)
XYZ	xyz(15.1635, 21.8992, 6.0123)
Luminance	0.2190 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638D2E #582E8D

analogous

#8D882E #638D2E #348D2E

triadic

#638D2E #2E638D #8D2E63

tetradic

#638D2E #2E8D88 #582E8D #8D2E34

square

#638D2E #2E8D88 #582E8D #8D2E34

split-complementary

#638D2E #2E348D #882E8D

monochromatic

#223110 #435F1F #638D2E #83BB3D #A1CE68

Accessibility & contrast

On white

3.90

#638D2E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#638D2E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638D2E

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638D2E	#FFFFFF	#000000	##000000
##638D2E	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938321

Deuteranopia (green-blind)

#8E8036

Tritanopia (blue-blind)

#65877A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #638d2e;
/* rgb */ color: rgb(99, 141, 46);
/* oklch */ color: oklch(59.3% 0.133 130.1);

Tailwind

colors: {
  custom: {
    50: '#93ae6c',
    500: '#638d2e',
    950: '#000000',
  },
}

SCSS

$custom: #638d2e;
$custom-light: #93ae6c;
$custom-dark: #000000;

JSON

{
  "hex": "#638d2e",
  "rgb": {
    "r": 99,
    "g": 141,
    "b": 46
  },
  "hsl": {
    "h": 86.526,
    "s": 50.802,
    "l": 36.667
  },
  "oklch": {
    "l": 0.5925,
    "c": 0.13253,
    "h": 130.1
  },
  "luminance": 0.219
}

Semantic roles & 50–950 ramp

primary

#638D2E

secondary

#8762B5

accent

#4EDA8C

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #638D2E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →