#559D7F
Closest named color: Grey Teal (#5E9B8A). oklch(64% 0.086 164.9), rgb(85, 157, 127).
Aa
Black text reads best on this color (6.51:1).
About this color
#559D7F is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.086 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.022 away. Black text reads best on it, at 6.51:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #559D7F |
| RGB | rgb(85, 157, 127) |
| HSL | hsl(155, 30%, 47%) |
| OKLCH | oklch(64% 0.086 164.9) |
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 #559D7F | 3.22:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #559D7F | 6.51:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #559D7F text on white | 3.22:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #559D7F text on black | 6.51:1 | AA | Lc -42.4 | 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
#E3EDE8
oklch(93.7% 0.013 164.8)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#A8CABA
oklch(81% 0.043 165.2)
-
Step 400
400
#78AE96
oklch(70.6% 0.067 165.1)
-
Step 500
500 (this color)
#559D7F
oklch(64% 0.086 164.9)
-
Step 600
600
#328565
oklch(55.7% 0.095 164.5)
-
Step 700
700
#247054
oklch(49.1% 0.087 164.9)
-
Step 800
800
#205B45
oklch(42.6% 0.072 165.3)
-
Step 900
900
#214B3A
oklch(37.7% 0.056 164.8)
-
Step 950
950
#142C22
oklch(27% 0.036 165)
#559D7F 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) | #9A947D | 0.085 |
| Deuteranopia (no green cones) | #8F8C81 | 0.082 |
| Tritanopia (no blue cones) | #3F9D94 | 0.033 |
| Achromatopsia (no color) | #8F8F8F | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559D7F
#559D7F
oklch(64% 0.086 164.9)
- #B27798
#B27798
oklch(64% 0.086 345.2)
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 #559D7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.022
- Dull Teal #5F9E8F ΔE 0.027
- Ocean Green #3D9973 ΔE 0.030
- Persian Green #2A9D8F ΔE 0.034
- Sea #3C9992 ΔE 0.038
- Blue Green #0F9B8E ΔE 0.043
- Green Grey #77926F ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.045
Use #559D7F 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.