#637110#637110

#637110 is a mid, moderate yellow. Relative luminance 0.145; OKLCH L 51.9% C 0.115 H 118.2°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#637110
RGB	rgb(99, 113, 16)
HSL	hsl(69, 75%, 25%)
HSV	hsv(69, 86%, 44%)
CMYK	cmyk(12.4%, 0%, 85.8%, 55.7%)
CIE-LAB	lab(44.94, -17.96, 46.74)
CIE-LCH	lch(44.94, 50.07, 111.02°)
OKLab	oklab(51.92% -0.0543 0.1013)
OKLCH	oklch(51.92% 0.115 118.2)
XYZ	xyz(11.1445, 14.5004, 2.7019)
Luminance	0.1450 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637110 #1E1071

analogous

#714F10 #637110 #327110

triadic

#637110 #106371 #711063

tetradic

#637110 #10714F #1E1071 #711032

square

#637110 #10714F #1E1071 #711032

split-complementary

#637110 #103271 #4F1071

monochromatic

#171B04 #343B08 #637110 #92A718 #C1DC1F

Accessibility & contrast

On white

5.38

#637110 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#637110 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637110

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637110	#FFFFFF	#000000	##FFFFFF
##637110	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796A00

Deuteranopia (green-blind)

#786B1A

Tritanopia (blue-blind)

#6A6A60

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #637110;
/* rgb */ color: rgb(99, 113, 16);
/* oklch */ color: oklch(51.9% 0.115 118.2);

Tailwind

colors: {
  custom: {
    50: '#939959',
    500: '#637110',
    950: '#000000',
  },
}

SCSS

$custom: #637110;
$custom-light: #939959;
$custom-dark: #000000;

JSON

{
  "hex": "#637110",
  "rgb": {
    "r": 99,
    "g": 113,
    "b": 16
  },
  "hsl": {
    "h": 68.66,
    "s": 75.194,
    "l": 25.294
  },
  "oklch": {
    "l": 0.51924,
    "c": 0.11499,
    "h": 118.2
  },
  "luminance": 0.145
}

Semantic roles & 50–950 ramp

primary

#637110

secondary

#4534A9

accent

#36F251

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #637110

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

Preview Lab → · Contrast checker → · Palette generator →