#12BC54
Closest named color: Shamrock Green (#02C14D). oklch(69.6% 0.192 149.1), rgb(18, 188, 84).
Aa
Black text reads best on this color (8.34:1).
About this color
#12BC54 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.192 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.018 away. Black text reads best on it, at 8.34:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.34:1 |
| White text | 2.51:1 |
Values
| HEX | #12BC54 |
| RGB | rgb(18, 188, 84) |
| HSL | hsl(143, 83%, 40%) |
| OKLCH | oklch(69.6% 0.192 149.1) |
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 #12BC54 | 2.51:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #12BC54 | 8.34:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #12BC54 text on white | 2.51:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #12BC54 text on black | 8.34:1 | AAA | Lc -53.3 | 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
#EEF9F0
oklch(97.1% 0.017 151.1)
-
Step 100
100
#DBF1DE
oklch(93.7% 0.034 149.3)
-
Step 200
200
#BBE6C2
oklch(88.5% 0.066 149.6)
-
Step 300
300
#87D696
oklch(80.8% 0.119 149.2)
-
Step 400
400 (this color)
#12BC54
oklch(69.6% 0.192 149.1)
-
Step 500
500
#00A547
oklch(63% 0.178 149.1)
-
Step 600
600
#008B3B
oklch(55.6% 0.156 149.2)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900
#00501F
oklch(37.7% 0.106 149.2)
-
Step 950
950
#00300F
oklch(27% 0.076 148.8)
#12BC54 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) | #BEAB4A | 0.155 |
| Deuteranopia (no green cones) | #AC9E5C | 0.154 |
| Tritanopia (no blue cones) | #00B8A5 | 0.111 |
| Achromatopsia (no color) | #A3A3A3 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12BC54
#12BC54
oklch(69.6% 0.192 149.1)
- #DB6AD6
#DB6AD6
oklch(69.5% 0.191 329.1)
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 #12BC54, closest first.
No curated palette has a color within ΔE 0.04 of #12BC54.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.018
- Shamrock #01B44C ΔE 0.024
- Cool Green #33B864 ΔE 0.027
- Leafy Green #51B73B ΔE 0.029
- Algae Green #21C36F ΔE 0.034
- Dark Mint Green #20C073 ΔE 0.036
- Medium Green #39AD48 ΔE 0.041
- Dark Mint #48C072 ΔE 0.045
Use #12BC54 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.