#51940E
Closest named color: Grass Green (#3F9B0B). oklch(59.8% 0.168 134.3), rgb(81, 148, 14).
Aa
Black text reads best on this color (5.59:1).
About this color
#51940E is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.168 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.024 away. Black text reads best on it, at 5.59:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #51940E |
| RGB | rgb(81, 148, 14) |
| HSL | hsl(90, 83%, 32%) |
| OKLCH | oklch(59.8% 0.168 134.3) |
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 #51940E | 3.75:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #51940E | 5.59:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #51940E text on white | 3.75:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #51940E text on black | 5.59:1 | AA | Lc -36.9 | 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 500.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDE
oklch(93.6% 0.024 135.7)
-
Step 200
200
#CDE0C2
oklch(88.4% 0.045 133.9)
-
Step 300
300
#ABCD97
oklch(81% 0.082 134.2)
-
Step 400
400
#7DB25B
oklch(70.6% 0.131 134.4)
-
Step 500
500 (this color)
#51940E
oklch(59.8% 0.168 134.3)
-
Step 600
600
#478600
oklch(55.6% 0.16 134.3)
-
Step 700
700
#3B7100
oklch(49.2% 0.142 134.3)
-
Step 800
800
#2F5D00
oklch(42.8% 0.124 134.5)
-
Step 900
900
#264D00
oklch(37.6% 0.109 134.4)
-
Step 950
950
#172D05
oklch(26.9% 0.069 134)
#51940E 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) | #9A8700 | 0.100 |
| Deuteranopia (no green cones) | #918222 | 0.098 |
| Tritanopia (no blue cones) | #508E7D | 0.123 |
| Achromatopsia (no color) | #848484 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51940E
#51940E
oklch(59.8% 0.168 134.3)
- #A45BC4
#A45BC4
oklch(59.8% 0.168 314.5)
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 #51940E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.024
- Grassy Green #419C03 ΔE 0.026
- Sap Green #5C8B15 ΔE 0.028
- Olive Drab #6B8E23 ΔE 0.037
- Mossy Green #638B27 ΔE 0.038
- Dark Yellow Green #728F02 ΔE 0.038
- Irish Green #019529 ΔE 0.039
- True Green #089404 ΔE 0.042
Use #51940E 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.