#57998A
Closest named color: Grey Teal (#5E9B8A). oklch(63.4% 0.072 177.5), rgb(87, 153, 138).
Aa
Black text reads best on this color (6.32:1).
About this color
#57998A is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.072 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.010 away. Black text reads best on it, at 6.32:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.32:1 |
| White text | 3.31:1 |
Values
| HEX | #57998A |
| RGB | rgb(87, 153, 138) |
| HSL | hsl(166, 27%, 47%) |
| OKLCH | oklch(63.4% 0.072 177.5) |
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 #57998A | 3.31:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #57998A | 6.32:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #57998A text on white | 3.31:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #57998A text on black | 6.32:1 | AA | Lc -41.2 | 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
#CCDED9
oklch(88.6% 0.02 177.4)
-
Step 300
300
#AAC8C0
oklch(80.8% 0.034 177.5)
-
Step 400
400
#7AADA0
oklch(70.8% 0.057 177)
-
Step 500
500 (this color)
#57998A
oklch(63.4% 0.072 177.5)
-
Step 600
600
#388273
oklch(55.5% 0.078 178)
-
Step 700
700
#296E60
oklch(49% 0.073 177.4)
-
Step 800
800
#245A4F
oklch(42.8% 0.06 177.8)
-
Step 900
900
#234A41
oklch(37.7% 0.047 176.7)
-
Step 950
950
#152B26
oklch(26.9% 0.03 177.6)
#57998A 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) | #949289 | 0.075 |
| Deuteranopia (no green cones) | #898A8B | 0.071 |
| Tritanopia (no blue cones) | #3F9B94 | 0.021 |
| Achromatopsia (no color) | #8D8D8D | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57998A
#57998A
oklch(63.4% 0.072 177.5)
- #AF788B
#AF788B
oklch(63.4% 0.073 357)
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 #57998A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.010
- Dull Teal #5F9E8F ΔE 0.018
- Sea #3C9992 ΔE 0.023
- Dusty Teal #4C9085 ΔE 0.030
- Persian Green #2A9D8F ΔE 0.031
- Cadet Blue #5F9EA0 ΔE 0.035
- Blue Green #0F9B8E ΔE 0.039
- Ocean Green #3D9973 ΔE 0.044
Use #57998A 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.