#1F904D#1F904D

#1F904D is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.7% C 0.141 H 151.9°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#1F904D
RGB	rgb(31, 144, 77)
HSL	hsl(144, 65%, 34%)
HSV	hsv(144, 78%, 56%)
CMYK	cmyk(78.5%, 0%, 46.5%, 43.5%)
CIE-LAB	lab(52.70, -46.15, 27.01)
CIE-LCH	lch(52.70, 53.47, 149.65°)
OKLab	oklab(57.66% -0.124 0.0664)
OKLCH	oklch(57.66% 0.141 151.9)
XYZ	xyz(11.8768, 20.7722, 10.4032)
Luminance	0.2077 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F904D #901F62

analogous

#2A901F #1F904D #1F9086

triadic

#1F904D #4D1F90 #904D1F

tetradic

#1F904D #1F2A90 #901F62 #90861F

square

#1F904D #1F2A90 #901F62 #90861F

split-complementary

#1F904D #861F90 #901F2A

monochromatic

#092B17 #145E32 #1F904D #2AC268 #50D988

Accessibility & contrast

On white

4.07

#1F904D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#1F904D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F904D

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F904D	#FFFFFF	#000000	##000000
##1F904D	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908348

Deuteranopia (green-blind)

#837A52

Tritanopia (blue-blind)

#008E80

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1f904d;
/* rgb */ color: rgb(31, 144, 77);
/* oklch */ color: oklch(57.7% 0.141 151.9);

Tailwind

colors: {
  custom: {
    50: '#6eb180',
    500: '#1f904d',
    950: '#000000',
  },
}

SCSS

$custom: #1f904d;
$custom-light: #6eb180;
$custom-dark: #000000;

JSON

{
  "hex": "#1f904d",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 77
  },
  "hsl": {
    "h": 144.425,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57664,
    "c": 0.14069,
    "h": 151.9
  },
  "luminance": 0.20774
}

Semantic roles & 50–950 ramp

primary

#1F904D

secondary

#BC4E90

accent

#40A3E8

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #1F904D

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

Preview Lab → · Contrast checker → · Palette generator →