#40950B
Closest named color: Grass Green (#3F9B0B). oklch(59.4% 0.178 137.7), rgb(64, 149, 11).
Aa
Black text reads best on this color (5.52:1).
About this color
#40950B is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.178 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.018 away. Black text reads best on it, at 5.52:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.52:1 |
| White text | 3.80:1 |
Values
| HEX | #40950B |
| RGB | rgb(64, 149, 11) |
| HSL | hsl(97, 86%, 31%) |
| OKLCH | oklch(59.4% 0.178 137.7) |
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 #40950B | 3.80:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #40950B | 5.52:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #40950B text on white | 3.80:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #40950B text on black | 5.52:1 | AA | Lc -36.5 | 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 500.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#CAE1C2
oklch(88.4% 0.048 137.6)
-
Step 300
300
#A6CE97
oklch(80.8% 0.087 137.3)
-
Step 400
400
#74B55B
oklch(70.8% 0.14 137.6)
-
Step 500
500 (this color)
#40950B
oklch(59.4% 0.178 137.7)
-
Step 600
600
#388900
oklch(55.7% 0.171 137.7)
-
Step 700
700
#2E7300
oklch(49.1% 0.151 137.7)
-
Step 800
800
#245E00
oklch(42.6% 0.131 137.7)
-
Step 900
900
#1D4F00
oklch(37.8% 0.116 137.7)
-
Step 950
950
#122E06
oklch(26.9% 0.073 137.9)
#40950B 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 | 0.115 |
| Deuteranopia (no green cones) | #8F8021 | 0.113 |
| Tritanopia (no blue cones) | #398F7E | 0.125 |
| Achromatopsia (no color) | #838383 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40950B
#40950B
oklch(59.4% 0.178 137.7)
- #A855C2
#A855C2
oklch(59.4% 0.178 317.5)
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 #40950B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.018
- Grassy Green #419C03 ΔE 0.021
- Irish Green #019529 ΔE 0.026
- True Green #089404 ΔE 0.027
- Kelley Green #009337 ΔE 0.035
- Emerald Green #028F1E ΔE 0.036
- Sap Green #5C8B15 ΔE 0.039
- Forest Green #228B22 ΔE 0.040
Use #40950B 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.