#40971E
Closest named color: Grass Green (#3F9B0B). oklch(60% 0.174 138.9), rgb(64, 151, 30).
Aa
Black text reads best on this color (5.66:1).
About this color
#40971E is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.174 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.015 away. Black text reads best on it, at 5.66:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #40971E |
| RGB | rgb(64, 151, 30) |
| HSL | hsl(103, 67%, 35%) |
| OKLCH | oklch(60% 0.174 138.9) |
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 #40971E | 3.70:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #40971E | 5.66:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #40971E text on white | 3.70:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #40971E text on black | 5.66:1 | AA | Lc -37.4 | 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
#CAE1C3
oklch(88.5% 0.047 138.4)
-
Step 300
300
#A5CE99
oklch(80.8% 0.085 138.7)
-
Step 400
400
#73B55F
oklch(70.8% 0.137 138.8)
-
Step 500
500 (this color)
#40971E
oklch(60% 0.174 138.9)
-
Step 600
600
#318900
oklch(55.5% 0.174 138.8)
-
Step 700
700
#287400
oklch(49.2% 0.155 138.8)
-
Step 800
800
#1F5F00
oklch(42.7% 0.134 138.9)
-
Step 900
900
#1C4F06
oklch(37.8% 0.113 138.8)
-
Step 950
950
#122E08
oklch(26.9% 0.071 138.6)
#40971E 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) | #9C8900 | 0.114 |
| Deuteranopia (no green cones) | #91822C | 0.114 |
| Tritanopia (no blue cones) | #379281 | 0.119 |
| Achromatopsia (no color) | #858585 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40971E
#40971E
oklch(60% 0.174 138.9)
- #AB58C1
#AB58C1
oklch(60.1% 0.173 318.8)
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 #40971E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.015
- Grassy Green #419C03 ΔE 0.019
- Irish Green #019529 ΔE 0.027
- True Green #089404 ΔE 0.032
- Kelley Green #009337 ΔE 0.034
- Sap Green #5C8B15 ΔE 0.040
- Emerald Green #028F1E ΔE 0.040
- Forest Green #228B22 ΔE 0.044
Use #40971E 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.