#57997B
Closest named color: Grey Teal (#5E9B8A). oklch(63% 0.082 163.2), rgb(87, 153, 123).
Aa
Black text reads best on this color (6.24:1).
About this color
#57997B is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.082 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.024 away. Black text reads best on it, at 6.24:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #57997B |
| RGB | rgb(87, 153, 123) |
| HSL | hsl(153, 27%, 47%) |
| OKLCH | oklch(63% 0.082 163.2) |
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 #57997B | 3.36:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #57997B | 6.24:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #57997B text on white | 3.36:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #57997B text on black | 6.24:1 | AA | Lc -40.8 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#AAC9B9
oklch(80.8% 0.04 163)
-
Step 400
400
#7BAE95
oklch(70.8% 0.065 162.9)
-
Step 500
500 (this color)
#57997B
oklch(63% 0.082 163.2)
-
Step 600
600
#3A8464
oklch(55.7% 0.09 162.7)
-
Step 700
700
#2B6F53
oklch(49% 0.083 163.3)
-
Step 800
800
#255B44
oklch(42.8% 0.07 163)
-
Step 900
900
#244B39
oklch(37.8% 0.055 162.2)
-
Step 950
950
#162C22
oklch(27.1% 0.034 163.4)
#57997B 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) | #979179 | 0.080 |
| Deuteranopia (no green cones) | #8C897D | 0.077 |
| Tritanopia (no blue cones) | #459990 | 0.033 |
| Achromatopsia (no color) | #8C8C8C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57997B
#57997B
oklch(63% 0.082 163.2)
- #AD7596
#AD7596
oklch(63% 0.083 343.6)
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 #57997B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.024
- Ocean Green #3D9973 ΔE 0.027
- Dull Teal #5F9E8F ΔE 0.031
- Slate Green #658D6D ΔE 0.035
- Persian Green #2A9D8F ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.037
- Green Grey #77926F ΔE 0.037
- Sea #3C9992 ΔE 0.038
Use #57997B 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.