#12A587
Closest named color: Jade (#1FA774). oklch(64.5% 0.121 173.3), rgb(18, 165, 135).
Aa
Black text reads best on this color (6.75:1).
About this color
#12A587 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.121 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.029 away. Black text reads best on it, at 6.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Jade (#1FA774) |
| Black text | 6.75:1 |
| White text | 3.10:1 |
Values
| HEX | #12A587 |
| RGB | rgb(18, 165, 135) |
| HSL | hsl(168, 80%, 36%) |
| OKLCH | oklch(64.5% 0.121 173.3) |
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 #12A587 | 3.10:1 | AA large text | Lc -62.9 | Content text, not long reading |
| Black text on #12A587 | 6.75:1 | AA | Lc 46.5 | Large or bold text, headings |
| #12A587 text on white | 3.10:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #12A587 text on black | 6.75:1 | AA | Lc -44.2 | Non-text elements, placeholder text |
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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C4E1D7
oklch(88.6% 0.034 172.7)
-
Step 300
300
#9ACEBD
oklch(81% 0.059 172.6)
-
Step 400
400
#5AB49B
oklch(70.7% 0.095 173.1)
-
Step 500
500 (this color)
#12A587
oklch(64.5% 0.121 173.3)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#022E24
oklch(26.9% 0.05 173.2)
#12A587 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) | #9F9986 | 0.125 |
| Deuteranopia (no green cones) | #8E8D89 | 0.120 |
| Tritanopia (no blue cones) | #00A79C | 0.030 |
| Achromatopsia (no color) | #929292 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12A587
#12A587
oklch(64.5% 0.121 173.3)
- #C56D94
#C56D94
oklch(64.5% 0.12 353)
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 #12A587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.029
- Persian Green #2A9D8F ΔE 0.031
- Blue Green #0F9B8E ΔE 0.035
- Ocean Green #3D9973 ΔE 0.038
- Sea #3C9992 ΔE 0.047
- Bluey Green #2BB179 ΔE 0.047
- Dark Seafoam Green #3EAF76 ΔE 0.048
- Greeny Blue #42B395 ΔE 0.050
Use #12A587 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.