#258C51#258C51

#258C51 is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.8% C 0.129 H 153.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#258C51
RGB	rgb(37, 140, 81)
HSL	hsl(146, 58%, 35%)
HSV	hsv(146, 74%, 55%)
CMYK	cmyk(73.6%, 0%, 42.1%, 45.1%)
CIE-LAB	lab(51.54, -42.95, 23.36)
CIE-LCH	lch(51.54, 48.89, 151.45°)
OKLab	oklab(56.77% -0.1158 0.058)
OKLCH	oklch(56.77% 0.129 153.4)
XYZ	xyz(11.6252, 19.7422, 10.9809)
Luminance	0.1974 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258C51 #8C2560

analogous

#2D8C25 #258C51 #258C85

triadic

#258C51 #51258C #8C5125

tetradic

#258C51 #252D8C #8C2560 #8C8525

square

#258C51 #252D8C #8C2560 #8C8525

split-complementary

#258C51 #85258C #8C252D

monochromatic

#0B2B19 #185C35 #258C51 #32BC6D #58D38D

Accessibility & contrast

On white

4.24

#258C51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#258C51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258C51

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258C51	#FFFFFF	#000000	##000000
##258C51	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C804D

Deuteranopia (green-blind)

#7F7755

Tritanopia (blue-blind)

#008A7D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #258c51;
/* rgb */ color: rgb(37, 140, 81);
/* oklch */ color: oklch(56.8% 0.129 153.4);

Tailwind

colors: {
  custom: {
    50: '#6fae82',
    500: '#258c51',
    950: '#000000',
  },
}

SCSS

$custom: #258c51;
$custom-light: #6fae82;
$custom-dark: #000000;

JSON

{
  "hex": "#258c51",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 81
  },
  "hsl": {
    "h": 145.631,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.56765,
    "c": 0.12948,
    "h": 153.4
  },
  "luminance": 0.19744
}

Semantic roles & 50–950 ramp

primary

#258C51

secondary

#B8558E

accent

#469FE1

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #258C51

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

Preview Lab → · Contrast checker → · Palette generator →