#377E11#377E11

#377E11 is a mid, vivid yellow-green. Relative luminance 0.158; OKLCH L 52.7% C 0.154 H 137.8°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#377E11
RGB	rgb(55, 126, 17)
HSL	hsl(99, 76%, 28%)
HSV	hsv(99, 87%, 49%)
CMYK	cmyk(56.3%, 0%, 86.5%, 50.6%)
CIE-LAB	lab(46.68, -41.11, 47.04)
CIE-LCH	lch(46.68, 62.47, 131.15°)
OKLab	oklab(52.67% -0.1139 0.1033)
OKLCH	oklch(52.67% 0.154 137.8)
XYZ	xyz(9.1373, 15.7737, 3.0933)
Luminance	0.1577 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377E11 #58117E

analogous

#6D7E11 #377E11 #117E22

triadic

#377E11 #11377E #7E1137

tetradic

#377E11 #116D7E #58117E #7E2211

square

#377E11 #116D7E #58117E #7E2211

split-complementary

#377E11 #22117E #7E116D

monochromatic

#0C1B04 #1F480A #377E11 #4FB418 #68E227

Accessibility & contrast

On white

5.05

#377E11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#377E11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377E11

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377E11	#FFFFFF	#000000	##FFFFFF
##377E11	1.00	5.05	4.15	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827200

Deuteranopia (green-blind)

#796C1F

Tritanopia (blue-blind)

#31796B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #377e11;
/* rgb */ color: rgb(55, 126, 17);
/* oklch */ color: oklch(52.7% 0.154 137.8);

Tailwind

colors: {
  custom: {
    50: '#77a45b',
    500: '#377e11',
    950: '#000000',
  },
}

SCSS

$custom: #377e11;
$custom-light: #77a45b;
$custom-dark: #000000;

JSON

{
  "hex": "#377e11",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 17
  },
  "hsl": {
    "h": 99.083,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.52674,
    "c": 0.15383,
    "h": 137.8
  },
  "luminance": 0.15774
}

Semantic roles & 50–950 ramp

primary

#377E11

secondary

#8837B4

accent

#35F3B1

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #377E11

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

Preview Lab → · Contrast checker → · Palette generator →