#12B212
Closest named color: Kelly Green (#02AB2E). oklch(66.3% 0.22 142.6), rgb(18, 178, 18).
Aa
Black text reads best on this color (7.40:1).
About this color
#12B212 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.220 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.027 away. Black text reads best on it, at 7.40:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.220) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #12B212 |
| RGB | rgb(18, 178, 18) |
| HSL | hsl(120, 82%, 38%) |
| OKLCH | oklch(66.3% 0.22 142.6) |
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 #12B212 | 2.83:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #12B212 | 7.40:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #12B212 text on white | 2.83:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #12B212 text on black | 7.40:1 | AAA | Lc -48.2 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DEF0DD
oklch(93.7% 0.032 143.9)
-
Step 200
200
#C3E4C0
oklch(88.5% 0.06 142.8)
-
Step 300
300
#98D392
oklch(81% 0.108 142.3)
-
Step 400
400
#56BB51
oklch(70.8% 0.173 142.7)
-
Step 500
500 (this color)
#12B212
oklch(66.3% 0.22 142.6)
-
Step 600
600
#008C02
oklch(55.5% 0.188 142.6)
-
Step 700
700
#007602
oklch(49% 0.166 142.6)
-
Step 800
800
#006101
oklch(42.7% 0.145 142.6)
-
Step 900
900
#005101
oklch(37.7% 0.128 142.6)
-
Step 950
950
#003101
oklch(27.1% 0.091 142.9)
#12B212 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) | #B6A000 | 0.157 |
| Deuteranopia (no green cones) | #A7952C | 0.156 |
| Tritanopia (no blue cones) | #00AC97 | 0.144 |
| Achromatopsia (no color) | #999999 | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12B212
#12B212
oklch(66.3% 0.22 142.6)
- #CF58E0
#CF58E0
oklch(66.3% 0.22 322.5)
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 #12B212, closest first.
No curated palette has a color within ΔE 0.04 of #12B212.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.027
- Shamrock #01B44C ΔE 0.037
- Leaf Green #5CA904 ΔE 0.043
- Leafy Green #51B73B ΔE 0.045
- Medium Green #39AD48 ΔE 0.046
- Grass #5CAC2D ΔE 0.048
- Frog Green #58BC08 ΔE 0.049
- Shamrock Green #02C14D ΔE 0.050
Use #12B212 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.