#599A8A
Closest named color: Grey Teal (#5E9B8A). oklch(63.8% 0.072 176.3), rgb(89, 154, 138).
Aa
Black text reads best on this color (6.41:1).
About this color
#599A8A is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.072 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.006 away. Black text reads best on it, at 6.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #599A8A |
| RGB | rgb(89, 154, 138) |
| HSL | hsl(165, 27%, 48%) |
| OKLCH | oklch(63.8% 0.072 176.3) |
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 #599A8A | 3.27:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #599A8A | 6.41:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #599A8A text on white | 3.27:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #599A8A text on black | 6.41:1 | AA | Lc -41.8 | 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
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDED9
oklch(88.6% 0.019 176.4)
-
Step 300
300
#AAC8C0
oklch(80.8% 0.034 177.5)
-
Step 400
400
#7BAC9F
oklch(70.6% 0.056 176.4)
-
Step 500
500 (this color)
#599A8A
oklch(63.8% 0.072 176.3)
-
Step 600
600
#398272
oklch(55.5% 0.077 176.8)
-
Step 700
700
#2B6E5F
oklch(49.1% 0.072 176)
-
Step 800
800
#255A4E
oklch(42.8% 0.06 176.2)
-
Step 900
900
#244A41
oklch(37.8% 0.047 176.4)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#599A8A 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) | #969389 | 0.076 |
| Deuteranopia (no green cones) | #8B8B8B | 0.072 |
| Tritanopia (no blue cones) | #429C95 | 0.022 |
| Achromatopsia (no color) | #8E8E8E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599A8A
#599A8A
oklch(63.8% 0.072 176.3)
- #AF798D
#AF798D
oklch(63.7% 0.072 355.4)
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 #599A8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.006
- Dull Teal #5F9E8F ΔE 0.015
- Sea #3C9992 ΔE 0.026
- Persian Green #2A9D8F ΔE 0.032
- Dusty Teal #4C9085 ΔE 0.033
- Cadet Blue #5F9EA0 ΔE 0.033
- Blue Green #0F9B8E ΔE 0.042
- Ocean Green #3D9973 ΔE 0.044
Use #599A8A 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.