#23E2C5
Closest named color: Turquoise (#40E0D0). oklch(81.9% 0.145 178.6), rgb(35, 226, 197).
Aa
Black text reads best on this color (12.75:1).
About this color
#23E2C5 is a light, vivid teal or cyan. In OKLCH its lightness is 82%, its chroma 0.145 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.021 away. Black text reads best on it, at 12.75:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.75:1 |
| White text | 1.64:1 |
Values
| HEX | #23E2C5 |
| RGB | rgb(35, 226, 197) |
| HSL | hsl(171, 77%, 51%) |
| OKLCH | oklch(81.9% 0.145 178.6) |
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 #23E2C5 | 1.64:1 | Fails | Lc -31.7 | Non-text elements, placeholder text |
| Black text on #23E2C5 | 12.75:1 | AAA | Lc 75.7 | Fine for body text |
| #23E2C5 text on white | 1.64:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #23E2C5 text on black | 12.75:1 | AAA | Lc -74.9 | 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
#E8FAF5
oklch(97% 0.02 177.5)
-
Step 100
100
#CDF4EA
oklch(93.7% 0.042 178.1)
-
Step 200
200
#9DEBDA
oklch(88.5% 0.081 179.1)
-
Step 300
300 (this color)
#23E2C5
oklch(81.9% 0.145 178.6)
-
Step 400
400
#00BAA1
oklch(70.6% 0.129 178.5)
-
Step 500
500
#00A08A
oklch(63.2% 0.116 178.3)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#23E2C5 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) | #D8D4C4 | 0.153 |
| Deuteranopia (no green cones) | #C1C3C7 | 0.145 |
| Tritanopia (no blue cones) | #00E6D9 | 0.026 |
| Achromatopsia (no color) | #CACACA | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23E2C5
#23E2C5
oklch(81.9% 0.145 178.6)
- #FFA5C3
#FFA5C3
oklch(81.9% 0.112 358.3)
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 #23E2C5, closest first.
No curated palette has a color within ΔE 0.04 of #23E2C5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.021
- Aqua Marine #2EE8BB ΔE 0.025
- Medium Turquoise #48D1CC ΔE 0.053
- Emerald #06D6A0 ΔE 0.055
- Seafoam Blue #78D1B6 ΔE 0.057
- Medium Aquamarine #66CDAA ΔE 0.060
- Bright Teal #01F9C6 ΔE 0.064
- Dark Turquoise #00CED1 ΔE 0.066
Use #23E2C5 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.