#00A543
Closest named color: Kelly Green (#02AB2E). oklch(63% 0.181 148.3), rgb(0, 165, 67).
Aa
Black text reads best on this color (6.46:1).
About this color
#00A543 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.181 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.028 away. Black text reads best on it, at 6.46:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.46:1 |
| White text | 3.24:1 |
Values
| HEX | #00A543 |
| RGB | rgb(0, 165, 67) |
| HSL | hsl(144, 100%, 32%) |
| OKLCH | oklch(63% 0.181 148.3) |
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 #00A543 | 3.24:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #00A543 | 6.46:1 | AA | Lc 45.0 | Large or bold text, headings |
| #00A543 text on white | 3.24:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #00A543 text on black | 6.46:1 | AA | Lc -42.7 | 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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFE1
oklch(93.6% 0.025 149.1)
-
Step 200
200
#C4E3C7
oklch(88.6% 0.05 147.8)
-
Step 300
300
#99D1A1
oklch(80.9% 0.089 148.5)
-
Step 400
400
#5AB86D
oklch(70.6% 0.141 148.4)
-
Step 500
500 (this color)
#00A543
oklch(63% 0.181 148.3)
-
Step 600
600
#008B37
oklch(55.5% 0.16 148.3)
-
Step 700
700
#00752D
oklch(49.1% 0.141 148.2)
-
Step 800
800
#006024
oklch(42.7% 0.122 148.4)
-
Step 900
900
#00501D
oklch(37.6% 0.108 148.5)
-
Step 950
950
#02300F
oklch(27.1% 0.075 148.2)
#00A543 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) | #A79539 | 0.144 |
| Deuteranopia (no green cones) | #978A4B | 0.143 |
| Tritanopia (no blue cones) | #00A190 | 0.107 |
| Achromatopsia (no color) | #8F8F8F | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A543
#00A543
oklch(63% 0.181 148.3)
- #C15ABF
#C15ABF
oklch(63% 0.18 328.2)
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 #00A543, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.028
- Medium Green #39AD48 ΔE 0.033
- Mid Green #50A747 ΔE 0.038
- Grass Green #3F9B0B ΔE 0.038
- Grassy Green #419C03 ΔE 0.038
- Shamrock #01B44C ΔE 0.043
- Irish Green #019529 ΔE 0.048
- Jade Green #2BAF6A ΔE 0.052
Use #00A543 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.