#599B93
Closest named color: Grey Teal (#5E9B8A). oklch(64.3% 0.069 185.7), rgb(89, 155, 147).
Aa
Black text reads best on this color (6.53:1).
About this color
#599B93 is a medium-light, muted teal or cyan. In OKLCH its lightness is 64%, its chroma 0.069 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.014 away. Black text reads best on it, at 6.53:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #599B93 |
| RGB | rgb(89, 155, 147) |
| HSL | hsl(173, 27%, 48%) |
| OKLCH | oklch(64.3% 0.069 185.7) |
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 #599B93 | 3.21:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #599B93 | 6.53:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #599B93 text on white | 3.21:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #599B93 text on black | 6.53:1 | AA | Lc -42.5 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300
#A9C8C4
oklch(80.9% 0.034 187)
-
Step 400
400
#7AACA5
oklch(70.7% 0.054 185.2)
-
Step 500
500 (this color)
#599B93
oklch(64.3% 0.069 185.7)
-
Step 600
600
#37827A
oklch(55.7% 0.075 185.8)
-
Step 700
700
#286E66
oklch(49.2% 0.071 184.8)
-
Step 800
800
#235953
oklch(42.6% 0.058 185.4)
-
Step 900
900
#234945
oklch(37.6% 0.044 186.6)
-
Step 950
950
#152B28
oklch(27% 0.029 184.5)
#599B93 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) | #959493 | 0.074 |
| Deuteranopia (no green cones) | #8A8C94 | 0.070 |
| Tritanopia (no blue cones) | #3E9E98 | 0.021 |
| Achromatopsia (no color) | #8F8F8F | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599B93
#599B93
oklch(64.3% 0.069 185.7)
- #B27C87
#B27C87
oklch(64.4% 0.069 5.8)
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 #599B93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.014
- Dull Teal #5F9E8F ΔE 0.014
- Cadet Blue #5F9EA0 ΔE 0.021
- Sea #3C9992 ΔE 0.026
- Persian Green #2A9D8F ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.038
- Blue Green #0F9B8E ΔE 0.045
- Green Grey #77926F ΔE 0.054
Use #599B93 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.