#377D11#377D11

#377D11 is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.4% C 0.153 H 137.7°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#377D11
RGB	rgb(55, 125, 17)
HSL	hsl(99, 76%, 28%)
HSV	hsv(99, 86%, 49%)
CMYK	cmyk(56%, 0%, 86.4%, 51%)
CIE-LAB	lab(46.34, -40.71, 46.73)
CIE-LCH	lch(46.34, 61.98, 131.06°)
OKLab	oklab(52.4% -0.1129 0.1027)
OKLCH	oklch(52.4% 0.153 137.7)
XYZ	xyz(9.0100, 15.5192, 3.0509)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377D11 #57117D

analogous

#6D7D11 #377D11 #117D21

triadic

#377D11 #11377D #7D1137

tetradic

#377D11 #116D7D #57117D #7D2111

square

#377D11 #116D7D #57117D #7D2111

split-complementary

#377D11 #21117D #7D116D

monochromatic

#0C1B04 #1F470A #377D11 #4FB318 #69E227

Accessibility & contrast

On white

5.12

#377D11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#377D11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377D11

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377D11	#FFFFFF	#000000	##FFFFFF
##377D11	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)

#786C1F

Tritanopia (blue-blind)

#31786A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #377d11;
/* rgb */ color: rgb(55, 125, 17);
/* oklch */ color: oklch(52.4% 0.153 137.7);

Tailwind

colors: {
  custom: {
    50: '#76a35b',
    500: '#377d11',
    950: '#000000',
  },
}

SCSS

$custom: #377d11;
$custom-light: #76a35b;
$custom-dark: #000000;

JSON

{
  "hex": "#377d11",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 17
  },
  "hsl": {
    "h": 98.889,
    "s": 76.056,
    "l": 27.843
  },
  "oklch": {
    "l": 0.52395,
    "c": 0.15262,
    "h": 137.7
  },
  "luminance": 0.1552
}

Semantic roles & 50–950 ramp

primary

#377D11

secondary

#8737B3

accent

#35F3B0

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #377D11

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

Preview Lab → · Contrast checker → · Palette generator →