#377D12#377D12

#377D12 is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.4% C 0.152 H 137.8°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#377D12
RGB	rgb(55, 125, 18)
HSL	hsl(99, 75%, 28%)
HSV	hsv(99, 86%, 49%)
CMYK	cmyk(56%, 0%, 85.6%, 51%)
CIE-LAB	lab(46.34, -40.67, 46.46)
CIE-LCH	lch(46.34, 61.74, 131.19°)
OKLab	oklab(52.4% -0.1127 0.1023)
OKLCH	oklch(52.4% 0.152 137.8)
XYZ	xyz(9.0180, 15.5224, 3.0931)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377D12 #58127D

analogous

#6C7D12 #377D12 #127D22

triadic

#377D12 #12377D #7D1237

tetradic

#377D12 #126C7D #58127D #7D2212

square

#377D12 #126C7D #58127D #7D2212

split-complementary

#377D12 #22127D #7D126C

monochromatic

#0C1B04 #1F480A #377D12 #4FB21A #68E029

Accessibility & contrast

On white

5.12

#377D12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#377D12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377D12

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377D12	#FFFFFF	#000000	##FFFFFF
##377D12	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817100

Deuteranopia (green-blind)

#786C20

Tritanopia (blue-blind)

#31786A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #377d12;
/* rgb */ color: rgb(55, 125, 18);
/* oklch */ color: oklch(52.4% 0.152 137.8);

Tailwind

colors: {
  custom: {
    50: '#76a35b',
    500: '#377d12',
    950: '#000000',
  },
}

SCSS

$custom: #377d12;
$custom-light: #76a35b;
$custom-dark: #000000;

JSON

{
  "hex": "#377d12",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 18
  },
  "hsl": {
    "h": 99.252,
    "s": 74.825,
    "l": 28.039
  },
  "oklch": {
    "l": 0.524,
    "c": 0.15221,
    "h": 137.8
  },
  "luminance": 0.15523
}

Semantic roles & 50–950 ramp

primary

#377D12

secondary

#8838B3

accent

#36F1B1

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #377D12

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

Preview Lab → · Contrast checker → · Palette generator →