#5E9599
Closest named color: Cadet Blue (#5F9EA0). oklch(63.3% 0.058 201.7), rgb(94, 149, 153).
Aa
Black text reads best on this color (6.23:1).
About this color
#5E9599 is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.058 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.026 away. Black text reads best on it, at 6.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #5E9599 |
| RGB | rgb(94, 149, 153) |
| HSL | hsl(184, 24%, 48%) |
| OKLCH | oklch(63.3% 0.058 201.7) |
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 #5E9599 | 3.36:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #5E9599 | 6.23:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #5E9599 text on white | 3.36:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #5E9599 text on black | 6.23:1 | AA | Lc -40.6 | Non-text elements, placeholder text |
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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDCDD
oklch(88.4% 0.015 202)
-
Step 300
300
#ACC6C8
oklch(80.8% 0.028 202.3)
-
Step 400
400
#7FAAAD
oklch(70.8% 0.046 201.5)
-
Step 500
500 (this color)
#5E9599
oklch(63.3% 0.058 201.7)
-
Step 600
600
#427F83
oklch(55.7% 0.063 201.1)
-
Step 700
700
#336B6F
oklch(49.2% 0.059 201.6)
-
Step 800
800
#2B575A
oklch(42.7% 0.049 201.3)
-
Step 900
900
#28484A
oklch(37.8% 0.038 200.8)
-
Step 950
950
#182A2B
oklch(27% 0.024 200.3)
#5E9599 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) | #8D9099 | 0.059 |
| Deuteranopia (no green cones) | #838999 | 0.054 |
| Tritanopia (no blue cones) | #469996 | 0.025 |
| Achromatopsia (no color) | #8C8C8C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E9599
#5E9599
oklch(63.3% 0.058 201.7)
- #AB7C7A
#AB7C7A
oklch(63.2% 0.059 21.6)
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 #5E9599, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.026
- Grey Teal #5E9B8A ΔE 0.033
- Sea #3C9992 ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.038
- Blue Grey #758DA3 ΔE 0.041
- Light Slate Gray #778899 ΔE 0.045
- Steel #738595 ΔE 0.049
Use #5E9599 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.