#508917
Closest named color: Sap Green (#5C8B15). oklch(56.9% 0.152 133.5), rgb(80, 137, 23).
Aa
Black text reads best on this color (4.93:1).
About this color
#508917 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.152 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.015 away. Black text reads best on it, at 4.93:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #508917 |
| RGB | rgb(80, 137, 23) |
| HSL | hsl(90, 71%, 31%) |
| OKLCH | oklch(56.9% 0.152 133.5) |
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 #508917 | 4.25:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #508917 | 4.93:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #508917 text on white | 4.25:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #508917 text on black | 4.93:1 | AA | Lc -32.5 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE0
oklch(93.6% 0.019 133.1)
-
Step 200
200
#CFDFC6
oklch(88.5% 0.038 134.1)
-
Step 300
300
#AFCB9E
oklch(80.9% 0.069 133.8)
-
Step 400
400
#85AF67
oklch(70.6% 0.109 133.2)
-
Step 500
500
#669B3B
oklch(63.1% 0.14 133.4)
-
Step 600
600 (this color)
#508917
oklch(56.9% 0.152 133.5)
-
Step 700
700
#3E7000
oklch(49% 0.139 133.3)
-
Step 800
800
#335C07
oklch(42.8% 0.117 133.5)
-
Step 900
900
#2D4B12
oklch(37.6% 0.091 133.2)
-
Step 950
950
#1B2C0D
oklch(27% 0.056 133)
#508917 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) | #8F7D00 | 0.088 |
| Deuteranopia (no green cones) | #877925 | 0.088 |
| Tritanopia (no blue cones) | #508374 | 0.113 |
| Achromatopsia (no color) | #7B7B7B | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508917
#508917
oklch(56.9% 0.152 133.5)
- #9658B5
#9658B5
oklch(56.9% 0.151 313.3)
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 #508917, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.015
- Mossy Green #638B27 ΔE 0.027
- Forest Green #228B22 ΔE 0.033
- Fern Green #548D44 ΔE 0.038
- Olive Drab #6B8E23 ΔE 0.038
- Moss Green #658B38 ΔE 0.039
- Dark Grass Green #388004 ΔE 0.039
- Emerald Green #028F1E ΔE 0.043
Use #508917 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.