#377E10#377E10

#377E10 is a mid, vivid yellow-green. Relative luminance 0.158; OKLCH L 52.7% C 0.154 H 137.7°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#377E10
RGB	rgb(55, 126, 16)
HSL	hsl(99, 77%, 28%)
HSV	hsv(99, 87%, 49%)
CMYK	cmyk(56.3%, 0%, 87.3%, 50.6%)
CIE-LAB	lab(46.67, -41.15, 47.29)
CIE-LCH	lch(46.67, 62.69, 131.03°)
OKLab	oklab(52.67% -0.1141 0.1037)
OKLCH	oklch(52.67% 0.154 137.7)
XYZ	xyz(9.1296, 15.7706, 3.0531)
Luminance	0.1577 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377E10 #57107E

analogous

#6E7E10 #377E10 #107E20

triadic

#377E10 #10377E #7E1037

tetradic

#377E10 #106E7E #57107E #7E2010

square

#377E10 #106E7E #57107E #7E2010

split-complementary

#377E10 #20107E #7E106E

monochromatic

#0C1B03 #1F4809 #377E10 #4FB417 #69E325

Accessibility & contrast

On white

5.06

#377E10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#377E10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377E10

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377E10	#FFFFFF	#000000	##FFFFFF
##377E10	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	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: #377e10;
/* rgb */ color: rgb(55, 126, 16);
/* oklch */ color: oklch(52.7% 0.154 137.7);

Tailwind

colors: {
  custom: {
    50: '#77a45b',
    500: '#377e10',
    950: '#000000',
  },
}

SCSS

$custom: #377e10;
$custom-light: #77a45b;
$custom-dark: #000000;

JSON

{
  "hex": "#377e10",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 16
  },
  "hsl": {
    "h": 98.727,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.5267,
    "c": 0.15423,
    "h": 137.7
  },
  "luminance": 0.15771
}

Semantic roles & 50–950 ramp

primary

#377E10

secondary

#8736B4

accent

#34F4B0

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #377E10

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

Preview Lab → · Contrast checker → · Palette generator →