#23AB8B
Closest named color: Greeny Blue (#42B395). oklch(66.4% 0.121 172.1), rgb(35, 171, 139).
Aa
Black text reads best on this color (7.26:1).
About this color
#23AB8B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.121 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.032 away. Black text reads best on it, at 7.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.26:1 |
| White text | 2.88:1 |
Values
| HEX | #23AB8B |
| RGB | rgb(35, 171, 139) |
| HSL | hsl(166, 66%, 40%) |
| OKLCH | oklch(66.4% 0.121 172.1) |
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 #23AB8B | 2.88:1 | Fails | Lc -60.0 | Content text, not long reading |
| Black text on #23AB8B | 7.26:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #23AB8B text on white | 2.88:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #23AB8B text on black | 7.26:1 | AAA | Lc -47.1 | 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 500.
-
Step 50
50
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE8
oklch(93.6% 0.018 170.1)
-
Step 200
200
#C4E1D7
oklch(88.6% 0.034 172.7)
-
Step 300
300
#9ACEBC
oklch(81% 0.06 171.4)
-
Step 400
400
#5BB49A
oklch(70.7% 0.095 172.1)
-
Step 500
500 (this color)
#23AB8B
oklch(66.4% 0.121 172.1)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#032E24
oklch(27% 0.049 173)
#23AB8B 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) | #A59F89 | 0.124 |
| Deuteranopia (no green cones) | #94938D | 0.119 |
| Tritanopia (no blue cones) | #00ADA2 | 0.032 |
| Achromatopsia (no color) | #989898 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23AB8B
#23AB8B
oklch(66.4% 0.121 172.1)
- #CB739B
#CB739B
oklch(66.5% 0.12 352.2)
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 #23AB8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.032
- Jade #1FA774 ΔE 0.032
- Bluey Green #2BB179 ΔE 0.035
- Dark Seafoam Green #3EAF76 ΔE 0.036
- Dark Seafoam #1FB57A ΔE 0.044
- Persian Green #2A9D8F ΔE 0.044
- Light Sea Green #20B2AA ΔE 0.044
- Tea #65AB7C ΔE 0.045
Use #23AB8B 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.