#00C243
Closest named color: Shamrock Green (#02C14D). oklch(70.9% 0.214 146.5), rgb(0, 194, 67).
Aa
Black text reads best on this color (8.79:1).
About this color
#00C243 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.214 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.010 away. Black text reads best on it, at 8.79:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.214) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.79:1 |
| White text | 2.38:1 |
Values
| HEX | #00C243 |
| RGB | rgb(0, 194, 67) |
| HSL | hsl(141, 100%, 38%) |
| OKLCH | oklch(70.9% 0.214 146.5) |
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 #00C243 | 2.38:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #00C243 | 8.79:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #00C243 text on white | 2.38:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #00C243 text on black | 8.79:1 | AAA | Lc -55.8 | 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 400.
-
Step 50
50
#EEF9EF
oklch(97.1% 0.018 148.1)
-
Step 100
100
#DAF1DB
oklch(93.5% 0.038 146.5)
-
Step 200
200
#BAE7BD
oklch(88.5% 0.074 146.7)
-
Step 300
300
#84D88C
oklch(81% 0.134 146.4)
-
Step 400
400 (this color)
#00C243
oklch(70.9% 0.214 146.5)
-
Step 500
500
#00A638
oklch(63.1% 0.19 146.5)
-
Step 600
600
#008C2E
oklch(55.7% 0.168 146.5)
-
Step 700
700
#007525
oklch(49% 0.148 146.5)
-
Step 800
800
#00601D
oklch(42.6% 0.128 146.5)
-
Step 900
900
#005017
oklch(37.6% 0.113 146.6)
-
Step 950
950
#00300A
oklch(26.9% 0.081 146.4)
#00C243 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) | #C5AF33 | 0.164 |
| Deuteranopia (no green cones) | #B3A34F | 0.163 |
| Tritanopia (no blue cones) | #00BDA8 | 0.130 |
| Achromatopsia (no color) | #A8A8A8 | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00C243
#00C243
oklch(70.9% 0.214 146.5)
- #E267E6
#E267E6
oklch(70.8% 0.214 326.3)
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 #00C243, closest first.
No curated palette has a color within ΔE 0.04 of #00C243.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.010
- Frog Green #58BC08 ΔE 0.036
- Leafy Green #51B73B ΔE 0.037
- Lime Green #32CD32 ΔE 0.039
- Shamrock #01B44C ΔE 0.044
- Algae Green #21C36F ΔE 0.047
- Cool Green #33B864 ΔE 0.053
- Dark Mint Green #20C073 ΔE 0.055
Use #00C243 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.