#00A651
Closest named color: Medium Green (#39AD48). oklch(63.5% 0.17 151.2), rgb(0, 166, 81).
Aa
Black text reads best on this color (6.57:1).
About this color
#00A651 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.170 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.032 away. Black text reads best on it, at 6.57:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #00A651 |
| RGB | rgb(0, 166, 81) |
| HSL | hsl(149, 100%, 33%) |
| OKLCH | oklch(63.5% 0.17 151.2) |
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 #00A651 | 3.19:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #00A651 | 6.57:1 | AA | Lc 45.6 | Large or bold text, headings |
| #00A651 text on white | 3.19:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #00A651 text on black | 6.57:1 | AA | Lc -43.3 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DFEFE2
oklch(93.7% 0.024 151.2)
-
Step 200
200
#C4E2CA
oklch(88.4% 0.045 151.2)
-
Step 300
300
#99D0A6
oklch(80.8% 0.082 151.5)
-
Step 400
400
#59B875
oklch(70.7% 0.134 151.2)
-
Step 500
500 (this color)
#00A651
oklch(63.5% 0.17 151.2)
-
Step 600
600
#008B43
oklch(55.7% 0.149 151.3)
-
Step 700
700
#007537
oklch(49.2% 0.132 151.1)
-
Step 800
800
#00602C
oklch(42.8% 0.115 151.2)
-
Step 900
900
#005024
oklch(37.7% 0.101 151.4)
-
Step 950
950
#023013
oklch(27.1% 0.071 150.7)
#00A651 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) | #A7974A | 0.142 |
| Deuteranopia (no green cones) | #978C57 | 0.139 |
| Tritanopia (no blue cones) | #00A392 | 0.093 |
| Achromatopsia (no color) | #909090 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A651
#00A651
oklch(63.5% 0.17 151.2)
- #C35EB9
#C35EB9
oklch(63.5% 0.17 331.2)
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 #00A651, closest first.
No curated palette has a color within ΔE 0.04 of #00A651.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.032
- Mid Green #50A747 ΔE 0.035
- Kelly Green #02AB2E ΔE 0.039
- Jade Green #2BAF6A ΔE 0.040
- Seaweed Green #35AD6B ΔE 0.041
- Shamrock #01B44C ΔE 0.044
- Jade #1FA774 ΔE 0.046
- Grass Green #3F9B0B ΔE 0.050
Use #00A651 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.