#28817A
Closest named color: Teal (#008080). oklch(55% 0.083 187.5), rgb(40, 129, 122).
Aa
White text reads best on this color (4.65:1).
About this color
#28817A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.083 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.016 away. White text reads best on it, at 4.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.51:1 |
| White text | 4.65:1 |
Values
| HEX | #28817A |
| RGB | rgb(40, 129, 122) |
| HSL | hsl(175, 53%, 33%) |
| OKLCH | oklch(55% 0.083 187.5) |
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 #28817A | 4.65:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #28817A | 4.51:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #28817A text on white | 4.65:1 | AA | Lc 72.0 | Content text, not long reading |
| #28817A text on black | 4.51:1 | AA | Lc -29.6 | Dividers and decoration only |
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 600.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A6C9C5
oklch(80.9% 0.038 187.9)
-
Step 400
400
#75ADA7
oklch(70.7% 0.059 187.5)
-
Step 500
500
#4D9992
oklch(63.2% 0.076 187.6)
-
Step 600
600 (this color)
#28817A
oklch(55% 0.083 187.5)
-
Step 700
700
#1B6F68
oklch(49.2% 0.078 186.7)
-
Step 800
800
#1A5A55
oklch(42.6% 0.064 187.6)
-
Step 900
900
#1D4A46
oklch(37.6% 0.05 187.4)
-
Step 950
950
#122B29
oklch(26.8% 0.031 188.7)
#28817A 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) | #7A7A7A | 0.088 |
| Deuteranopia (no green cones) | #6D707B | 0.084 |
| Tritanopia (no blue cones) | #00847F | 0.014 |
| Achromatopsia (no color) | #747474 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28817A
#28817A
oklch(55% 0.083 187.5)
- #9B5C69
#9B5C69
oklch(54.9% 0.084 6.9)
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 #28817A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.016
- Bluegreen #017A79 ΔE 0.028
- Dark Cyan #008B8B ΔE 0.033
- Deep Aqua #08787F ΔE 0.035
- Deep Turquoise #017374 ΔE 0.048
- Dark Aquamarine #017371 ΔE 0.048
- Ocean #017B92 ΔE 0.049
- Teal Blue #01889F ΔE 0.055
Use #28817A 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.