#12B972
Closest named color: Green Teal (#0CB577). oklch(69.3% 0.162 156.9), rgb(18, 185, 114).
Aa
Black text reads best on this color (8.20:1).
About this color
#12B972 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.162 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Teal (#0CB577), ΔE 0.015 away. Black text reads best on it, at 8.20:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Green Teal (#0CB577) |
| Black text | 8.20:1 |
| White text | 2.55:1 |
Values
| HEX | #12B972 |
| RGB | rgb(18, 185, 114) |
| HSL | hsl(154, 82%, 40%) |
| OKLCH | oklch(69.3% 0.162 156.9) |
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 #12B972 | 2.55:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #12B972 | 8.20:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #12B972 text on white | 2.55:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #12B972 text on black | 8.20:1 | AAA | Lc -52.5 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DBF0E2
oklch(93.6% 0.029 156.6)
-
Step 200
200
#BCE5CA
oklch(88.5% 0.056 156.2)
-
Step 300
300
#87D5A6
oklch(81% 0.102 156.8)
-
Step 400
400 (this color)
#12B972
oklch(69.3% 0.162 156.9)
-
Step 500
500
#00A463
oklch(63.2% 0.151 156.8)
-
Step 600
600
#008A53
oklch(55.7% 0.133 157)
-
Step 700
700
#007445
oklch(49.2% 0.117 157)
-
Step 800
800
#005F37
oklch(42.7% 0.102 156.7)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#002F19
oklch(26.9% 0.064 157.1)
#12B972 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) | #B8A96D | 0.148 |
| Deuteranopia (no green cones) | #A69D77 | 0.143 |
| Tritanopia (no blue cones) | #00B7A7 | 0.077 |
| Achromatopsia (no color) | #A2A2A2 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12B972
#12B972
oklch(69.3% 0.162 156.9)
- #D971C0
#D971C0
oklch(69.3% 0.161 337)
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 #12B972, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Teal #0CB577 ΔE 0.015
- Cool Green #33B864 ΔE 0.017
- Dark Seafoam #1FB57A ΔE 0.018
- Medium Sea Green #3CB371 ΔE 0.021
- Dark Mint Green #20C073 ΔE 0.021
- Jade Green #2BAF6A ΔE 0.027
- Bluey Green #2BB179 ΔE 0.028
- Algae Green #21C36F ΔE 0.032
Use #12B972 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.