#156554
Closest named color: Dark Green Blue (#1F6357). oklch(45.6% 0.079 174.6), rgb(21, 101, 84).
Aa
White text reads best on this color (6.95:1).
About this color
#156554 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.079 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.011 away. White text reads best on it, at 6.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.02:1 |
| White text | 6.95:1 |
Values
| HEX | #156554 |
| RGB | rgb(21, 101, 84) |
| HSL | hsl(167, 66%, 24%) |
| OKLCH | oklch(45.6% 0.079 174.6) |
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 #156554 | 6.95:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #156554 | 3.02:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #156554 text on white | 6.95:1 | AA | Lc 83.7 | Fine for body text |
| #156554 text on black | 3.02:1 | AA large text | Lc -18.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C9DFD8
oklch(88.5% 0.025 174.7)
-
Step 300
300
#A2CBBF
oklch(80.9% 0.047 175.3)
-
Step 400
400
#6DB09E
oklch(70.7% 0.074 175.1)
-
Step 500
500
#3F9C86
oklch(63.1% 0.094 174.9)
-
Step 600
600
#0D866F
oklch(55.5% 0.102 174.6)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800 (this color)
#156554
oklch(45.6% 0.079 174.6)
-
Step 900
900
#144C3F
oklch(37.7% 0.062 174.2)
-
Step 950
950
#0E2D25
oklch(27.1% 0.04 173.6)
#156554 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) | #615E53 | 0.082 |
| Deuteranopia (no green cones) | #575655 | 0.080 |
| Tritanopia (no blue cones) | #006660 | 0.019 |
| Achromatopsia (no color) | #5A5A5A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #156554
#156554
oklch(45.6% 0.079 174.6)
- #794359
#794359
oklch(45.5% 0.08 354.8)
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 #156554, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.011
- Dark Aqua #05696B ΔE 0.035
- Spruce #0A5F38 ΔE 0.044
- Pine #2B5D34 ΔE 0.046
- Petrol #005F6A ΔE 0.047
- Dark Aquamarine #017371 ΔE 0.054
- Deep Turquoise #017374 ΔE 0.057
- Deep Teal #00555A ΔE 0.059
Use #156554 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.