#5EA2A3
Closest named color: Cadet Blue (#5F9EA0). oklch(66.8% 0.069 196.8), rgb(94, 162, 163).
Aa
Black text reads best on this color (7.17:1).
About this color
#5EA2A3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.069 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.011 away. Black text reads best on it, at 7.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #5EA2A3 |
| RGB | rgb(94, 162, 163) |
| HSL | hsl(181, 27%, 50%) |
| OKLCH | oklch(66.8% 0.069 196.8) |
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 #5EA2A3 | 2.92:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #5EA2A3 | 7.17:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #5EA2A3 text on white | 2.92:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #5EA2A3 text on black | 7.17:1 | AAA | Lc -46.2 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#A8C8C8
oklch(80.9% 0.034 196.5)
-
Step 400
400
#78ABAC
oklch(70.6% 0.054 197.5)
-
Step 500
500 (this color)
#5EA2A3
oklch(66.8% 0.069 196.8)
-
Step 600
600
#338182
oklch(55.6% 0.075 196.4)
-
Step 700
700
#256D6E
oklch(49.1% 0.07 196.4)
-
Step 800
800
#21595A
oklch(42.8% 0.058 196.8)
-
Step 900
900
#21494A
oklch(37.7% 0.045 197.6)
-
Step 950
950
#142B2B
oklch(27% 0.029 195.6)
#5EA2A3 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) | #9A9CA3 | 0.072 |
| Deuteranopia (no green cones) | #8E93A4 | 0.068 |
| Tritanopia (no blue cones) | #3DA6A2 | 0.027 |
| Achromatopsia (no color) | #979797 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5EA2A3
#5EA2A3
oklch(66.8% 0.069 196.8)
- #BB8485
#BB8485
oklch(66.8% 0.068 17.8)
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 #5EA2A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.011
- Dull Teal #5F9E8F ΔE 0.028
- Grey Teal #5E9B8A ΔE 0.037
- Greyblue #77A1B5 ΔE 0.041
- Sea #3C9992 ΔE 0.047
- Bluegrey #85A3B2 ΔE 0.051
- Light Sea Green #20B2AA ΔE 0.052
- Persian Green #2A9D8F ΔE 0.053
Use #5EA2A3 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.