#12BF8F
Closest named color: Green Blue (#01C08D). oklch(71.5% 0.145 166.6), rgb(18, 191, 143).
Aa
Black text reads best on this color (8.87:1).
About this color
#12BF8F is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.145 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.005 away. Black text reads best on it, at 8.87:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.87:1 |
| White text | 2.36:1 |
Values
| HEX | #12BF8F |
| RGB | rgb(18, 191, 143) |
| HSL | hsl(163, 83%, 41%) |
| OKLCH | oklch(71.5% 0.145 166.6) |
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 #12BF8F | 2.36:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #12BF8F | 8.87:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #12BF8F text on white | 2.36:1 | Fails | Lc 46.0 | Large or bold text, headings |
| #12BF8F text on black | 8.87:1 | AAA | Lc -56.0 | 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
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#DAF0E6
oklch(93.6% 0.027 166.8)
-
Step 200
200
#BBE4D2
oklch(88.5% 0.049 166.8)
-
Step 300
300
#85D4B4
oklch(81% 0.091 166.5)
-
Step 400
400 (this color)
#12BF8F
oklch(71.5% 0.145 166.6)
-
Step 500
500
#00A278
oklch(63.2% 0.13 166.5)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#12BF8F 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) | #BAB18C | 0.143 |
| Deuteranopia (no green cones) | #A7A392 | 0.139 |
| Tritanopia (no blue cones) | #00C0B2 | 0.049 |
| Achromatopsia (no color) | #A8A8A8 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12BF8F
#12BF8F
oklch(71.5% 0.145 166.6)
- #E37BB5
#E37BB5
oklch(71.6% 0.145 346.8)
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 #12BF8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.005
- Greenblue #23C48B ΔE 0.018
- Dark Seafoam #1FB57A ΔE 0.034
- Green Teal #0CB577 ΔE 0.038
- Dark Mint Green #20C073 ΔE 0.038
- Dark Mint #48C072 ΔE 0.041
- Greeny Blue #42B395 ΔE 0.041
- Bluey Green #2BB179 ΔE 0.042
Use #12BF8F 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.