#377E12#377E12

#377E12 is a mid, vivid yellow-green. Relative luminance 0.158; OKLCH L 52.7% C 0.153 H 137.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#377E12
RGB	rgb(55, 126, 18)
HSL	hsl(99, 75%, 28%)
HSV	hsv(99, 86%, 49%)
CMYK	cmyk(56.3%, 0%, 85.7%, 50.6%)
CIE-LAB	lab(46.68, -41.06, 46.77)
CIE-LCH	lch(46.68, 62.23, 131.28°)
OKLab	oklab(52.68% -0.1138 0.1029)
OKLCH	oklch(52.68% 0.153 137.9)
XYZ	xyz(9.1453, 15.7769, 3.1355)
Luminance	0.1578 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377E12 #59127E

analogous

#6D7E12 #377E12 #127E23

triadic

#377E12 #12377E #7E1237

tetradic

#377E12 #126D7E #59127E #7E2312

square

#377E12 #126D7E #59127E #7E2312

split-complementary

#377E12 #23127E #7E126D

monochromatic

#0C1B04 #20480A #377E12 #4EB41A #68E12A

Accessibility & contrast

On white

5.05

#377E12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#377E12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377E12

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377E12	#FFFFFF	#000000	##FFFFFF
##377E12	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	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)

#796C20

Tritanopia (blue-blind)

#31796B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #377e12;
/* rgb */ color: rgb(55, 126, 18);
/* oklch */ color: oklch(52.7% 0.153 137.9);

Tailwind

colors: {
  custom: {
    50: '#77a45c',
    500: '#377e12',
    950: '#000000',
  },
}

SCSS

$custom: #377e12;
$custom-light: #77a45c;
$custom-dark: #000000;

JSON

{
  "hex": "#377e12",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 18
  },
  "hsl": {
    "h": 99.444,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.52679,
    "c": 0.15342,
    "h": 137.9
  },
  "luminance": 0.15778
}

Semantic roles & 50–950 ramp

primary

#377E12

secondary

#8938B4

accent

#36F2B1

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #377E12

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

Preview Lab → · Contrast checker → · Palette generator →