#377F10#377F10

#377F10 is a mid, vivid yellow-green. Relative luminance 0.160; OKLCH L 52.9% C 0.155 H 137.8°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#377F10
RGB	rgb(55, 127, 16)
HSL	hsl(99, 78%, 28%)
HSV	hsv(99, 87%, 50%)
CMYK	cmyk(56.7%, 0%, 87.4%, 50.2%)
CIE-LAB	lab(47.01, -41.54, 47.60)
CIE-LCH	lch(47.01, 63.18, 131.12°)
OKLab	oklab(52.95% -0.1152 0.1044)
OKLCH	oklch(52.95% 0.155 137.8)
XYZ	xyz(9.2581, 16.0276, 3.0959)
Luminance	0.1603 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377F10 #58107F

analogous

#6E7F10 #377F10 #107F21

triadic

#377F10 #10377F #7F1037

tetradic

#377F10 #106E7F #58107F #7F2110

square

#377F10 #106E7F #58107F #7F2110

split-complementary

#377F10 #21107F #7F106E

monochromatic

#0C1B03 #1F4909 #377F10 #4FB517 #68E426

Accessibility & contrast

On white

4.99

#377F10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#377F10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377F10

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377F10	#FFFFFF	#000000	##FFFFFF
##377F10	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#7A6D1F

Tritanopia (blue-blind)

#317A6B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #377f10;
/* rgb */ color: rgb(55, 127, 16);
/* oklch */ color: oklch(52.9% 0.155 137.8);

Tailwind

colors: {
  custom: {
    50: '#77a55b',
    500: '#377f10',
    950: '#000000',
  },
}

SCSS

$custom: #377f10;
$custom-light: #77a55b;
$custom-dark: #000000;

JSON

{
  "hex": "#377f10",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 16
  },
  "hsl": {
    "h": 98.919,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.52949,
    "c": 0.15543,
    "h": 137.8
  },
  "luminance": 0.16028
}

Semantic roles & 50–950 ramp

primary

#377F10

secondary

#8836B5

accent

#34F4B1

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#090F04

muted

#7B7F79

Preview Lab

Preview with #377F10

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

Preview Lab → · Contrast checker → · Palette generator →