#638E2D#638E2D

#638E2D is a mid, vivid yellow-green. Relative luminance 0.222; OKLCH L 59.5% C 0.135 H 130.2°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#638E2D
RGB	rgb(99, 142, 45)
HSL	hsl(87, 52%, 37%)
HSV	hsv(87, 68%, 56%)
CMYK	cmyk(30.3%, 0%, 68.3%, 44.3%)
CIE-LAB	lab(54.23, -30.75, 45.14)
CIE-LCH	lch(54.23, 54.62, 124.26°)
OKLab	oklab(59.5% -0.0869 0.1029)
OKLCH	oklch(59.5% 0.135 130.2)
XYZ	xyz(15.2921, 22.1877, 5.9591)
Luminance	0.2219 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638E2D #582D8E

analogous

#8E892D #638E2D #338E2D

triadic

#638E2D #2D638E #8E2D63

tetradic

#638E2D #2D8E89 #582D8E #8E2D33

square

#638E2D #2D8E89 #582D8E #8E2D33

split-complementary

#638E2D #2D338E #892D8E

monochromatic

#223110 #43601E #638E2D #83BC3C #A1CF67

Accessibility & contrast

On white

3.86

#638E2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#638E2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638E2D

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638E2D	#FFFFFF	#000000	##000000
##638E2D	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958420

Deuteranopia (green-blind)

#8F8135

Tritanopia (blue-blind)

#65887A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #638e2d;
/* rgb */ color: rgb(99, 142, 45);
/* oklch */ color: oklch(59.5% 0.135 130.2);

Tailwind

colors: {
  custom: {
    50: '#93af6b',
    500: '#638e2d',
    950: '#000000',
  },
}

SCSS

$custom: #638e2d;
$custom-light: #93af6b;
$custom-dark: #000000;

JSON

{
  "hex": "#638e2d",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 45
  },
  "hsl": {
    "h": 86.598,
    "s": 51.872,
    "l": 36.667
  },
  "oklch": {
    "l": 0.59496,
    "c": 0.13467,
    "h": 130.2
  },
  "luminance": 0.22188
}

Semantic roles & 50–950 ramp

primary

#638E2D

secondary

#8761B5

accent

#4CDB8C

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #638E2D

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

Preview Lab → · Contrast checker → · Palette generator →