#508151
Closest named color: Dark Sage (#598556). oklch(55.5% 0.09 144.7), rgb(80, 129, 81).
Aa
Black text reads best on this color (4.60:1).
About this color
#508151 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.090 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.017 away. Black text reads best on it, at 4.60:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #508151 |
| RGB | rgb(80, 129, 81) |
| HSL | hsl(121, 23%, 41%) |
| OKLCH | oklch(55.5% 0.09 144.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #508151 | 4.56:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #508151 | 4.60:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #508151 text on white | 4.56:1 | AA | Lc 71.6 | Content text, not long reading |
| #508151 text on black | 4.60:1 | AA | Lc -30.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#D0DDD0
oklch(88.4% 0.022 145.4)
-
Step 300
300
#B1C8B1
oklch(80.9% 0.04 145.2)
-
Step 400
400
#88AC88
oklch(70.8% 0.065 144.9)
-
Step 500
500
#69976A
oklch(63.1% 0.083 145)
-
Step 600
600 (this color)
#508151
oklch(55.5% 0.09 144.7)
-
Step 700
700
#416D42
oklch(49.1% 0.083 144.7)
-
Step 800
800
#365936
oklch(42.7% 0.07 144.2)
-
Step 900
900
#2F492F
oklch(37.6% 0.054 144.4)
-
Step 950
950
#1C2B1C
oklch(27% 0.034 144.6)
#508151 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #83794E | 0.070 |
| Deuteranopia (no green cones) | #7B7454 | 0.068 |
| Tritanopia (no blue cones) | #4A7E75 | 0.056 |
| Achromatopsia (no color) | #767676 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508151
#508151
oklch(55.5% 0.09 144.7)
- #8E6090
#8E6090
oklch(55.5% 0.09 325.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #508151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.017
- Military Green #667C3E ΔE 0.031
- Sea Green #2E8B57 ΔE 0.036
- Swamp #698339 ΔE 0.040
- Fern Green #548D44 ΔE 0.045
- Muddy Green #657432 ΔE 0.045
- Light Forest Green #4F9153 ΔE 0.048
- Viridian #1E9167 ΔE 0.052
Use #508151 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.