#289F0A
Closest named color: Grassy Green (#419C03). oklch(61.4% 0.198 141), rgb(40, 159, 10).
Aa
Black text reads best on this color (6.05:1).
About this color
#289F0A is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.198 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.015 away. Black text reads best on it, at 6.05:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.05:1 |
| White text | 3.46:1 |
Values
| HEX | #289F0A |
| RGB | rgb(40, 159, 10) |
| HSL | hsl(108, 88%, 33%) |
| OKLCH | oklch(61.4% 0.198 141) |
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 #289F0A | 3.46:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #289F0A | 6.05:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #289F0A text on white | 3.46:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #289F0A text on black | 6.05:1 | AA | Lc -40.1 | 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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C6E3C1
oklch(88.6% 0.055 141)
-
Step 300
300
#9ED196
oklch(81% 0.097 141.2)
-
Step 400
400
#65B858
oklch(70.8% 0.155 141)
-
Step 500
500 (this color)
#289F0A
oklch(61.4% 0.198 141)
-
Step 600
600
#1E8B00
oklch(55.5% 0.183 141)
-
Step 700
700
#187500
oklch(49.1% 0.161 141)
-
Step 800
800
#126000
oklch(42.7% 0.14 141)
-
Step 900
900
#0D5000
oklch(37.6% 0.124 141)
-
Step 950
950
#092F04
oklch(26.8% 0.081 141.1)
#289F0A 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) | #A38F00 | 0.137 |
| Deuteranopia (no green cones) | #968624 | 0.135 |
| Tritanopia (no blue cones) | #009A87 | 0.132 |
| Achromatopsia (no color) | #8A8A8A | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #289F0A
#289F0A
oklch(61.4% 0.198 141)
- #B852CB
#B852CB
oklch(61.5% 0.198 321.1)
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 #289F0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.015
- Grass Green #3F9B0B ΔE 0.016
- Kelly Green #02AB2E ΔE 0.034
- True Green #089404 ΔE 0.036
- Irish Green #019529 ΔE 0.038
- Kelley Green #009337 ΔE 0.051
- Leaf Green #5CA904 ΔE 0.051
- Emerald Green #028F1E ΔE 0.053
Use #289F0A 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.