#1F904F#1F904F

#1F904F is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.7% C 0.139 H 152.5°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F904F
RGB	rgb(31, 144, 79)
HSL	hsl(145, 65%, 34%)
HSV	hsv(145, 78%, 56%)
CMYK	cmyk(78.5%, 0%, 45.1%, 43.5%)
CIE-LAB	lab(52.73, -45.78, 25.98)
CIE-LCH	lch(52.73, 52.64, 150.43°)
OKLab	oklab(57.7% -0.1231 0.064)
OKLCH	oklch(57.7% 0.139 152.5)
XYZ	xyz(11.9485, 20.8009, 10.7809)
Luminance	0.2080 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F904F #901F60

analogous

#28901F #1F904F #1F9088

triadic

#1F904F #4F1F90 #904F1F

tetradic

#1F904F #1F2890 #901F60 #90881F

square

#1F904F #1F2890 #901F60 #90881F

split-complementary

#1F904F #881F90 #901F28

monochromatic

#092B18 #145E33 #1F904F #2AC26B #50D98A

Accessibility & contrast

On white

4.07

#1F904F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#1F904F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F904F

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F904F	#FFFFFF	#000000	##000000
##1F904F	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)

#90834A

Deuteranopia (green-blind)

#837A53

Tritanopia (blue-blind)

#008E80

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1f904f;
/* rgb */ color: rgb(31, 144, 79);
/* oklch */ color: oklch(57.7% 0.139 152.5);

Tailwind

colors: {
  custom: {
    50: '#6eb181',
    500: '#1f904f',
    950: '#000000',
  },
}

SCSS

$custom: #1f904f;
$custom-light: #6eb181;
$custom-dark: #000000;

JSON

{
  "hex": "#1f904f",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 79
  },
  "hsl": {
    "h": 145.487,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57701,
    "c": 0.13877,
    "h": 152.5
  },
  "luminance": 0.20802
}

Semantic roles & 50–950 ramp

primary

#1F904F

secondary

#BC4E8E

accent

#40A0E8

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #1F904F

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

Preview Lab → · Contrast checker → · Palette generator →