#599A8D
Closest named color: Grey Teal (#5E9B8A). oklch(63.9% 0.07 179.6), rgb(89, 154, 141).
Aa
Black text reads best on this color (6.43:1).
About this color
#599A8D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.070 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.008 away. Black text reads best on it, at 6.43:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.43:1 |
| White text | 3.26:1 |
Values
| HEX | #599A8D |
| RGB | rgb(89, 154, 141) |
| HSL | hsl(168, 27%, 48%) |
| OKLCH | oklch(63.9% 0.07 179.6) |
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 #599A8D | 3.26:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #599A8D | 6.43:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #599A8D text on white | 3.26:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #599A8D text on black | 6.43:1 | AA | Lc -41.9 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDDD9
oklch(88.4% 0.019 180.2)
-
Step 300
300
#AAC8C1
oklch(80.9% 0.034 179.7)
-
Step 400
400
#7BACA2
oklch(70.7% 0.054 180.6)
-
Step 500
500 (this color)
#599A8D
oklch(63.9% 0.07 179.6)
-
Step 600
600
#398275
oklch(55.6% 0.076 180)
-
Step 700
700
#2A6E62
oklch(49.1% 0.071 179.7)
-
Step 800
800
#255A50
oklch(42.9% 0.059 179.1)
-
Step 900
900
#234A42
oklch(37.8% 0.047 178.6)
-
Step 950
950
#162B27
oklch(27% 0.028 180.5)
#599A8D 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) | #95938C | 0.074 |
| Deuteranopia (no green cones) | #8A8B8E | 0.070 |
| Tritanopia (no blue cones) | #419C96 | 0.021 |
| Achromatopsia (no color) | #8E8E8E | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599A8D
#599A8D
oklch(63.9% 0.07 179.6)
- #B07A8A
#B07A8A
oklch(63.9% 0.07 359.9)
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 #599A8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.008
- Dull Teal #5F9E8F ΔE 0.014
- Sea #3C9992 ΔE 0.025
- Cadet Blue #5F9EA0 ΔE 0.029
- Persian Green #2A9D8F ΔE 0.033
- Dusty Teal #4C9085 ΔE 0.034
- Blue Green #0F9B8E ΔE 0.042
- Green Grey #77926F ΔE 0.047
Use #599A8D 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.