#23E1BF
Closest named color: Aqua Marine (#2EE8BB). oklch(81.5% 0.147 176), rgb(35, 225, 191).
Aa
Black text reads best on this color (12.59:1).
About this color
#23E1BF is a light, vivid teal or cyan. In OKLCH its lightness is 82%, its chroma 0.147 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.023 away. Black text reads best on it, at 12.59:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.59:1 |
| White text | 1.66:1 |
Values
| HEX | #23E1BF |
| RGB | rgb(35, 225, 191) |
| HSL | hsl(169, 76%, 51%) |
| OKLCH | oklch(81.5% 0.147 176) |
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 #23E1BF | 1.66:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #23E1BF | 12.59:1 | AAA | Lc 75.0 | Fine for body text |
| #23E1BF text on white | 1.66:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #23E1BF text on black | 12.59:1 | AAA | Lc -74.1 | 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 300.
-
Step 50
50
#E9FAF5
oklch(97.1% 0.019 176.5)
-
Step 100
100
#CDF4E9
oklch(93.6% 0.043 176.4)
-
Step 200
200
#9EEBD7
oklch(88.4% 0.081 176.2)
-
Step 300
300 (this color)
#23E1BF
oklch(81.5% 0.147 176)
-
Step 400
400
#00BB9D
oklch(70.7% 0.133 175.7)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#23E1BF 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) | #D8D2BD | 0.154 |
| Deuteranopia (no green cones) | #C1C1C2 | 0.148 |
| Tritanopia (no blue cones) | #00E4D7 | 0.032 |
| Achromatopsia (no color) | #C8C8C8 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23E1BF
#23E1BF
oklch(81.5% 0.147 176)
- #FFA2C5
#FFA2C5
oklch(81.5% 0.117 355.9)
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 #23E1BF, closest first.
No curated palette has a color within ΔE 0.04 of #23E1BF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.023
- Turquoise #40E0D0 ΔE 0.028
- Emerald #06D6A0 ΔE 0.047
- Medium Turquoise #48D1CC ΔE 0.055
- Seafoam Blue #78D1B6 ΔE 0.056
- Medium Aquamarine #66CDAA ΔE 0.056
- Aqua Green #12E193 ΔE 0.060
- Bright Teal #01F9C6 ΔE 0.065
Use #23E1BF 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.