#1F904E#1F904E

#1F904E is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.7% C 0.140 H 152.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F904E
RGB	rgb(31, 144, 78)
HSL	hsl(145, 65%, 34%)
HSV	hsv(145, 78%, 56%)
CMYK	cmyk(78.5%, 0%, 45.8%, 43.5%)
CIE-LAB	lab(52.72, -45.96, 26.50)
CIE-LCH	lch(52.72, 53.05, 150.04°)
OKLab	oklab(57.68% -0.1236 0.0652)
OKLCH	oklch(57.68% 0.14 152.2)
XYZ	xyz(11.9124, 20.7865, 10.5906)
Luminance	0.2079 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F904E #901F61

analogous

#29901F #1F904E #1F9087

triadic

#1F904E #4E1F90 #904E1F

tetradic

#1F904E #1F2990 #901F61 #90871F

square

#1F904E #1F2990 #901F61 #90871F

split-complementary

#1F904E #871F90 #901F29

monochromatic

#092B17 #145E33 #1F904E #2AC269 #50D989

Accessibility & contrast

On white

4.07

#1F904E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#1F904E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F904E

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F904E	#FFFFFF	#000000	##000000
##1F904E	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908349

Deuteranopia (green-blind)

#837A53

Tritanopia (blue-blind)

#008E80

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1f904e;
/* rgb */ color: rgb(31, 144, 78);
/* oklch */ color: oklch(57.7% 0.140 152.2);

Tailwind

colors: {
  custom: {
    50: '#6eb180',
    500: '#1f904e',
    950: '#000000',
  },
}

SCSS

$custom: #1f904e;
$custom-light: #6eb180;
$custom-dark: #000000;

JSON

{
  "hex": "#1f904e",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 78
  },
  "hsl": {
    "h": 144.956,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57683,
    "c": 0.13973,
    "h": 152.2
  },
  "luminance": 0.20788
}

Semantic roles & 50–950 ramp

primary

#1F904E

secondary

#BC4E8F

accent

#40A2E8

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #1F904E

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

Preview Lab → · Contrast checker → · Palette generator →