#377B14#377B14

#377B14 is a mid, vivid yellow-green. Relative luminance 0.150; OKLCH L 51.9% C 0.149 H 137.8°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#377B14
RGB	rgb(55, 123, 20)
HSL	hsl(100, 72%, 28%)
HSV	hsv(100, 84%, 48%)
CMYK	cmyk(55.3%, 0%, 83.7%, 51.8%)
CIE-LAB	lab(45.67, -39.77, 45.26)
CIE-LCH	lch(45.67, 60.25, 131.30°)
OKLab	oklab(51.85% -0.1102 0.1001)
OKLCH	oklch(51.85% 0.149 137.8)
XYZ	xyz(8.7845, 15.0280, 3.0995)
Luminance	0.1503 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377B14 #58147B

analogous

#6A7B14 #377B14 #147B25

triadic

#377B14 #14377B #7B1437

tetradic

#377B14 #146A7B #58147B #7B2514

square

#377B14 #146A7B #58147B #7B2514

split-complementary

#377B14 #25147B #7B146A

monochromatic

#0C1A04 #1F460B #377B14 #4FB01D #68DD2D

Accessibility & contrast

On white

5.24

#377B14 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#377B14 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377B14

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377B14	#FFFFFF	#000000	##FFFFFF
##377B14	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7000

Deuteranopia (green-blind)

#776A21

Tritanopia (blue-blind)

#327668

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #377b14;
/* rgb */ color: rgb(55, 123, 20);
/* oklch */ color: oklch(51.9% 0.149 137.8);

Tailwind

colors: {
  custom: {
    50: '#76a25c',
    500: '#377b14',
    950: '#000000',
  },
}

SCSS

$custom: #377b14;
$custom-light: #76a25c;
$custom-dark: #000000;

JSON

{
  "hex": "#377b14",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 20
  },
  "hsl": {
    "h": 99.612,
    "s": 72.028,
    "l": 28.039
  },
  "oklch": {
    "l": 0.51851,
    "c": 0.14886,
    "h": 137.8
  },
  "luminance": 0.15029
}

Semantic roles & 50–950 ramp

primary

#377B14

secondary

#883AB1

accent

#39EFB1

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #377B14

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

Preview Lab → · Contrast checker → · Palette generator →