#00A51A
Closest named color: Kelly Green (#02AB2E). oklch(62.6% 0.206 143.5), rgb(0, 165, 26).
Aa
Black text reads best on this color (6.39:1).
About this color
#00A51A is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.206 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.019 away. Black text reads best on it, at 6.39:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.206) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.39:1 |
| White text | 3.28:1 |
Values
| HEX | #00A51A |
| RGB | rgb(0, 165, 26) |
| HSL | hsl(129, 100%, 32%) |
| OKLCH | oklch(62.6% 0.206 143.5) |
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 #00A51A | 3.28:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #00A51A | 6.39:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #00A51A text on white | 3.28:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #00A51A text on black | 6.39:1 | AA | Lc -42.4 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C4E3C2
oklch(88.4% 0.055 143.5)
-
Step 300
300
#99D297
oklch(80.9% 0.101 143.8)
-
Step 400
400
#5ABA5A
oklch(70.8% 0.162 143.6)
-
Step 500
500 (this color)
#00A51A
oklch(62.6% 0.206 143.5)
-
Step 600
600
#008C14
oklch(55.5% 0.183 143.5)
-
Step 700
700
#00760F
oklch(49.1% 0.162 143.5)
-
Step 800
800
#00610B
oklch(42.7% 0.141 143.5)
-
Step 900
900
#005107
oklch(37.7% 0.124 143.4)
-
Step 950
950
#033005
oklch(27% 0.084 143.5)
#00A51A 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) | #A89400 | 0.148 |
| Deuteranopia (no green cones) | #9A8A2D | 0.148 |
| Tritanopia (no blue cones) | #00A08C | 0.132 |
| Achromatopsia (no color) | #8E8E8E | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A51A
#00A51A
oklch(62.6% 0.206 143.5)
- #C151CD
#C151CD
oklch(62.6% 0.206 323.7)
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 #00A51A, closest first.
No curated palette has a color within ΔE 0.04 of #00A51A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.019
- Grassy Green #419C03 ΔE 0.030
- Grass Green #3F9B0B ΔE 0.032
- Medium Green #39AD48 ΔE 0.047
- Leaf Green #5CA904 ΔE 0.049
- True Green #089404 ΔE 0.050
- Irish Green #019529 ΔE 0.051
- Shamrock #01B44C ΔE 0.051
Use #00A51A 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.