#508951
Closest named color: Dark Sage (#598556). oklch(57.6% 0.103 144.5), rgb(80, 137, 81).
Aa
Black text reads best on this color (5.03:1).
About this color
#508951 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.103 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.018 away. Black text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.03:1 |
| White text | 4.16:1 |
Values
| HEX | #508951 |
| RGB | rgb(80, 137, 81) |
| HSL | hsl(121, 26%, 43%) |
| OKLCH | oklch(57.6% 0.103 144.5) |
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 #508951 | 4.16:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #508951 | 5.03:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #508951 text on white | 4.16:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #508951 text on black | 5.03:1 | AA | Lc -33.1 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#CFDECF
oklch(88.5% 0.026 145.4)
-
Step 300
300
#AFC9AE
oklch(80.9% 0.047 144.1)
-
Step 400
400
#84AD84
oklch(70.7% 0.074 144.7)
-
Step 500
500
#649964
oklch(63.2% 0.096 144.3)
-
Step 600
600 (this color)
#508951
oklch(57.6% 0.103 144.5)
-
Step 700
700
#3B6F3C
oklch(49.2% 0.097 144.3)
-
Step 800
800
#315A32
oklch(42.6% 0.08 144.5)
-
Step 900
900
#2C4A2C
oklch(37.7% 0.062 144.2)
-
Step 950
950
#1A2C1A
oklch(27.1% 0.04 144.4)
#508951 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) | #8B804D | 0.079 |
| Deuteranopia (no green cones) | #837A54 | 0.078 |
| Tritanopia (no blue cones) | #49867B | 0.064 |
| Achromatopsia (no color) | #7C7C7C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508951
#508951
oklch(57.6% 0.103 144.5)
- #97639B
#97639B
oklch(57.6% 0.103 324.3)
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 #508951, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.018
- Fern Green #548D44 ΔE 0.023
- Light Forest Green #4F9153 ΔE 0.024
- Sea Green #2E8B57 ΔE 0.026
- Swamp #698339 ΔE 0.034
- Moss Green #658B38 ΔE 0.035
- Viridian #1E9167 ΔE 0.039
- Military Green #667C3E ΔE 0.041
Use #508951 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.