#28CA8E
Closest named color: Greenblue (#23C48B). oklch(74.6% 0.155 162), rgb(40, 202, 142).
Aa
Black text reads best on this color (9.92:1).
About this color
#28CA8E is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.155 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.017 away. Black text reads best on it, at 9.92:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.92:1 |
| White text | 2.11:1 |
Values
| HEX | #28CA8E |
| RGB | rgb(40, 202, 142) |
| HSL | hsl(158, 67%, 47%) |
| OKLCH | oklch(74.6% 0.155 162) |
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 #28CA8E | 2.11:1 | Fails | Lc -45.5 | Large or bold text, headings |
| Black text on #28CA8E | 9.92:1 | AAA | Lc 63.0 | Content text, not long reading |
| #28CA8E text on white | 2.11:1 | Fails | Lc 40.9 | Non-text elements, placeholder text |
| #28CA8E text on black | 9.92:1 | AAA | Lc -61.3 | Content text, not long reading |
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
#DAF0E4
oklch(93.6% 0.028 162.1)
-
Step 200
200
#BAE5CE
oklch(88.5% 0.055 161.7)
-
Step 300
300
#85D4AE
oklch(80.8% 0.096 162.4)
-
Step 400
400 (this color)
#28CA8E
oklch(74.6% 0.155 162)
-
Step 500
500
#00A36F
oklch(63.2% 0.139 161.8)
-
Step 600
600
#00895D
oklch(55.7% 0.122 162)
-
Step 700
700
#00734D
oklch(49.1% 0.108 161.8)
-
Step 800
800
#005E3F
oklch(42.6% 0.093 162.3)
-
Step 900
900
#004F34
oklch(37.8% 0.083 162.1)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#28CA8E 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) | #C7BA8A | 0.149 |
| Deuteranopia (no green cones) | #B4AD92 | 0.144 |
| Tritanopia (no blue cones) | #00CABA | 0.061 |
| Achromatopsia (no color) | #B2B2B2 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28CA8E
#28CA8E
oklch(74.6% 0.155 162)
- #ED82C8
#ED82C8
oklch(74.5% 0.155 341.8)
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 #28CA8E, closest first.
No curated palette has a color within ΔE 0.04 of #28CA8E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.017
- Green Blue #01C08D ΔE 0.031
- Emerald #06D6A0 ΔE 0.035
- Seaweed #18D17B ΔE 0.037
- Dark Mint #48C072 ΔE 0.037
- Dark Mint Green #20C073 ΔE 0.040
- Algae Green #21C36F ΔE 0.040
- Soft Green #6FC276 ΔE 0.045
Use #28CA8E 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.