#00AC37
Closest named color: Kelly Green (#02AB2E). oklch(64.8% 0.198 146), rgb(0, 172, 55).
Aa
Black text reads best on this color (6.95:1).
About this color
#00AC37 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.198 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.007 away. Black text reads best on it, at 6.95:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.95:1 |
| White text | 3.01:1 |
Values
| HEX | #00AC37 |
| RGB | rgb(0, 172, 55) |
| HSL | hsl(139, 100%, 34%) |
| OKLCH | oklch(64.8% 0.198 146) |
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 #00AC37 | 3.01:1 | AA large text | Lc -61.5 | Content text, not long reading |
| Black text on #00AC37 | 6.95:1 | AA | Lc 47.9 | Large or bold text, headings |
| #00AC37 text on white | 3.01:1 | AA large text | Lc 56.1 | Large or bold text, headings |
| #00AC37 text on black | 6.95:1 | AA | Lc -45.6 | Large or bold text, headings |
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
#DFEFDF
oklch(93.6% 0.027 145.4)
-
Step 200
200
#C3E3C4
oklch(88.4% 0.054 145.9)
-
Step 300
300
#98D29B
oklch(81% 0.097 145.9)
-
Step 400
400
#57B962
oklch(70.6% 0.154 145.9)
-
Step 500
500 (this color)
#00AC37
oklch(64.8% 0.198 146)
-
Step 600
600
#008C2B
oklch(55.7% 0.17 146)
-
Step 700
700
#007623
oklch(49.2% 0.15 146)
-
Step 800
800
#00601B
oklch(42.6% 0.13 146.1)
-
Step 900
900
#005115
oklch(37.8% 0.116 146)
-
Step 950
950
#01300A
oklch(27% 0.081 146.1)
#00AC37 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) | #AF9B27 | 0.150 |
| Deuteranopia (no green cones) | #9F9042 | 0.150 |
| Tritanopia (no blue cones) | #00A894 | 0.120 |
| Achromatopsia (no color) | #949494 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00AC37
#00AC37
oklch(64.8% 0.198 146)
- #C95ACE
#C95ACE
oklch(64.8% 0.198 325.9)
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 #00AC37, closest first.
No curated palette has a color within ΔE 0.04 of #00AC37.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.007
- Medium Green #39AD48 ΔE 0.027
- Shamrock #01B44C ΔE 0.027
- Leaf Green #5CA904 ΔE 0.042
- Mid Green #50A747 ΔE 0.043
- Grass #5CAC2D ΔE 0.043
- Grassy Green #419C03 ΔE 0.046
- Grass Green #3F9B0B ΔE 0.048
Use #00AC37 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.