#12C28D
Closest named color: Green Blue (#01C08D). oklch(72.2% 0.15 164.7), rgb(18, 194, 141).
Aa
Black text reads best on this color (9.12:1).
About this color
#12C28D is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.150 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.007 away. Black text reads best on it, at 9.12:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 9.12:1 |
| White text | 2.30:1 |
Values
| HEX | #12C28D |
| RGB | rgb(18, 194, 141) |
| HSL | hsl(162, 83%, 42%) |
| OKLCH | oklch(72.2% 0.15 164.7) |
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 #12C28D | 2.30:1 | Fails | Lc -49.6 | Large or bold text, headings |
| Black text on #12C28D | 9.12:1 | AAA | Lc 59.2 | Large or bold text, headings |
| #12C28D text on white | 2.30:1 | Fails | Lc 44.8 | Non-text elements, placeholder text |
| #12C28D text on black | 9.12:1 | AAA | Lc -57.4 | 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
#EEF8F3
oklch(97% 0.012 164.8)
-
Step 100
100
#DAF0E5
oklch(93.6% 0.027 164.4)
-
Step 200
200
#BAE5D0
oklch(88.6% 0.053 164)
-
Step 300
300
#84D4B1
oklch(80.8% 0.094 164.7)
-
Step 400
400 (this color)
#12C28D
oklch(72.2% 0.15 164.7)
-
Step 500
500
#00A275
oklch(63.1% 0.133 165)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#12C28D 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) | #BEB38A | 0.147 |
| Deuteranopia (no green cones) | #ABA591 | 0.143 |
| Tritanopia (no blue cones) | #00C2B4 | 0.056 |
| Achromatopsia (no color) | #ABABAB | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12C28D
#12C28D
oklch(72.2% 0.15 164.7)
- #E67CBB
#E67CBB
oklch(72.3% 0.15 344.9)
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 #12C28D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.007
- Greenblue #23C48B ΔE 0.008
- Dark Mint Green #20C073 ΔE 0.033
- Dark Mint #48C072 ΔE 0.035
- Dark Seafoam #1FB57A ΔE 0.039
- Algae Green #21C36F ΔE 0.040
- Green Teal #0CB577 ΔE 0.042
- Medium Sea Green #3CB371 ΔE 0.046
Use #12C28D 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.