#FFB621
Closest named color: Orangey Yellow (#FDB915). oklch(82.4% 0.165 78.2), rgb(255, 182, 33).
Aa
Black text reads best on this color (11.96:1).
About this color
#FFB621 is a light, vivid orange. In OKLCH its lightness is 82%, its chroma 0.165 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Yellow (#FDB915), ΔE 0.010 away. Black text reads best on it, at 11.96:1.
| Hue family | Oranges |
| Lightness | light (82%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Orangey Yellow (#FDB915) |
| Black text | 11.96:1 |
| White text | 1.75:1 |
Values
| HEX | #FFB621 |
| RGB | rgb(255, 182, 33) |
| HSL | hsl(40, 100%, 56%) |
| OKLCH | oklch(82.4% 0.165 78.2) |
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 #FFB621 | 1.75:1 | Fails | Lc -35.7 | Non-text elements, placeholder text |
| Black text on #FFB621 | 11.96:1 | AAA | Lc 72.1 | Content text, not long reading |
| #FFB621 text on white | 1.75:1 | Fails | Lc 31.8 | Non-text elements, placeholder text |
| #FFB621 text on black | 11.96:1 | AAA | Lc -70.9 | Content text, not long reading |
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 300.
-
Step 50
50
#FEF4E5
oklch(97.1% 0.023 78.2)
-
Step 100
100
#FCE7C7
oklch(93.7% 0.048 78.4)
-
Step 200
200
#FBD293
oklch(88.5% 0.092 77.9)
-
Step 300
300 (this color)
#FFB621
oklch(82.4% 0.165 78.2)
-
Step 400
400
#D29300
oklch(70.7% 0.147 78.1)
-
Step 500
500
#B47E00
oklch(63.1% 0.131 78.5)
-
Step 600
600
#986900
oklch(55.6% 0.116 77.9)
-
Step 700
700
#805800
oklch(49.1% 0.102 78.1)
-
Step 800
800
#694800
oklch(42.7% 0.089 78.7)
-
Step 900
900
#583B00
oklch(37.6% 0.078 77.7)
-
Step 950
950
#352200
oklch(26.9% 0.056 77.8)
#FFB621 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) | #D2B900 | 0.073 |
| Deuteranopia (no green cones) | #E3CB2A | 0.064 |
| Tritanopia (no blue cones) | #FFA29C | 0.137 |
| Achromatopsia (no color) | #C3C3C3 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FFB621
#FFB621
oklch(82.4% 0.165 78.2)
- #A2C7FF
#A2C7FF
oklch(82.3% 0.089 258.5)
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 #FFB621, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Yellow #FDB915 ΔE 0.010
- Yellow Orange #FCB001 ΔE 0.016
- Golden Rod #F9BC08 ΔE 0.020
- Orange Yellow #FFAD01 ΔE 0.021
- Amber #FFBE0B ΔE 0.022
- Maximum Yellow Red #FCBF49 ΔE 0.025
- Butterscotch #FDB147 ΔE 0.027
- Macaroni And Cheese #EFB435 ΔE 0.027
Use #FFB621 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.