#51920A
Closest named color: Sap Green (#5C8B15). oklch(59.3% 0.167 133.9), rgb(81, 146, 10).
Aa
Black text reads best on this color (5.46:1).
About this color
#51920A is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.167 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.024 away. Black text reads best on it, at 5.46:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.46:1 |
| White text | 3.84:1 |
Values
| HEX | #51920A |
| RGB | rgb(81, 146, 10) |
| HSL | hsl(89, 87%, 31%) |
| OKLCH | oklch(59.3% 0.167 133.9) |
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 #51920A | 3.84:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #51920A | 5.46:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #51920A text on white | 3.84:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #51920A text on black | 5.46:1 | AA | Lc -36.1 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CEE0C4
oklch(88.6% 0.042 134.2)
-
Step 300
300
#ADCC9B
oklch(81% 0.075 134.2)
-
Step 400
400
#81B161
oklch(70.7% 0.121 133.9)
-
Step 500
500
#619D30
oklch(63.2% 0.154 133.9)
-
Step 600
600 (this color)
#51920A
oklch(59.3% 0.167 133.9)
-
Step 700
700
#3C7100
oklch(49.2% 0.141 134)
-
Step 800
800
#305C00
oklch(42.6% 0.122 134)
-
Step 900
900
#2A4C0A
oklch(37.6% 0.099 133.7)
-
Step 950
950
#192D09
oklch(27.1% 0.064 133.8)
#51920A 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) | #988500 | 0.098 |
| Deuteranopia (no green cones) | #908020 | 0.098 |
| Tritanopia (no blue cones) | #508C7C | 0.124 |
| Achromatopsia (no color) | #828282 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51920A
#51920A
oklch(59.3% 0.167 133.9)
- #A15AC2
#A15AC2
oklch(59.2% 0.167 313.9)
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 #51920A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.024
- Grass Green #3F9B0B ΔE 0.028
- Grassy Green #419C03 ΔE 0.031
- Mossy Green #638B27 ΔE 0.035
- Olive Drab #6B8E23 ΔE 0.036
- Dark Yellow Green #728F02 ΔE 0.038
- Irish Green #019529 ΔE 0.039
- True Green #089404 ΔE 0.041
Use #51920A 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.